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The evolutionary puzzle of homosexuality

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In the last two decades, dozens of scientific papers have been published on the biological origins of homosexuality – another announcement was made last week. It’s becoming scientific orthodoxy. But how does it fit with Darwin’s theory of evolution?

Macklemore and Ryan Lewis’s hit song Same Love, which has become an unofficial anthem of the pro-gay marriage campaign in the US, reflects how many gay people feel about their sexuality.

It mocks those who “think it’s a decision, and you can be cured with some treatment and religion – man-made rewiring of a predisposition”. A minority of gay people disagree, maintaining that sexuality is a social construct, and they have made a conscious, proud choice to take same-sex partners.

But scientific opinion is with Macklemore. Since the early 1990s, researchers have shown that homosexuality is more common in brothers and relatives on the same maternal line, and a genetic factor is taken to be the cause. Also relevant – although in no way proof – is research identifying physical differences in the brains of adult straight and gay people, and a dizzying array of homosexual behaviour in animals.

But since gay and lesbian people have fewer children than straight people, a problem arises.001

“This is a paradox from an evolutionary perspective,” says Paul Vasey from the University of Lethbridge in Canada. “How can a trait like male homosexuality, which has a genetic component, persist over evolutionary time if the individuals that carry the genes associated with that trait are not reproducing?”

Scientists don’t know the answer to this Darwinian puzzle, but there are several theories. It’s possible that different mechanisms may be at work in different people. Most of the theories relate to research on male homosexuality. The evolution of lesbianism is relatively understudied – it may work in a similar way or be completely different.


The genes that code for homosexuality do other things too

The allele – or group of genes – that sometimes codes for homosexual orientation may at other times have a strong reproductive benefit. This would compensate for gay people’s lack of reproduction and ensure the continuation of the trait, as non-gay carriers of the gene pass it down.

There are two or more ways this might happen. One possibility is that the allele confers a psychological trait that makes straight men more attractive to women, or straight women more attractive to men. “We know that women tend to like more feminine behavioural features and facial features in their men, and that might be associated with things like good parenting skills or greater empathy,” says Qazi Rahman, co-author of Born Gay; The Psychobiology of Sex Orientation. Therefore, the theory goes, a low “dose” of these alleles enhances the carrier’s chances of reproductive success. Every now and then a family member receives a larger dose that affects his or her sexual orientation, but the allele still has an overall reproductive advantage.

Another way a “gay allele” might be able to compensate for a reproductive deficit is by having the converse effect in the opposite sex. For example, an allele which makes the bearer attracted to men has an obvious reproductive advantage to women. If it appears in a man’s genetic code it will code for same-sex attraction, but so long as this happens rarely the allele still has a net evolutionary benefit.

There is some evidence for this second theory. Andrea Camperio-Ciani, at the University of Padova in Italy, found that maternal female relatives of gay men have more children than maternal female relatives of straight men. The implication is that there is an unknown mechanism in the X chromosome of men’s genetic code which helps women in the family have more babies, but can lead to homosexuality in men. These results haven’t been replicated in some ethnic groups – but that doesn’t mean they are wrong with regards to the Italian population in Camperio-Ciani’s study.


Gay people were ‘helpers in the nest’

The fa'afafine of Samoa dislike being called "gay" or "homosexual"

The fa’afafine of Samoa dislike being called “gay” or “homosexual”

Some researchers believe that to understand the evolution of gay people, we need to look at how they fit into the wider culture.

Paul Vasey’s research in Samoa has focused on a theory called kin selection or the “helper in the nest” hypothesis. The idea is that gay people compensate for their lack of children by promoting the reproductive fitness of brothers or sisters, contributing money or performing other uncle-like activities such as babysitting or tutoring. Some of the gay person’s genetic code is shared with nieces and nephews and so, the theory goes, the genes which code for sexual orientation still get passed down.

Sceptics have pointed out that since on average people share just 25% of their genetic code with these relatives, they would need to compensate for every child they don’t have themselves with two nieces or nephews that wouldn’t otherwise have existed. Vasey hasn’t yet measured just how much having a homosexual orientation boosts siblings’ reproduction rate, but he has established that in Samoa “gay” men spend more time on uncle-like activities than “straight” men.

“No-one was more surprised than me,” says Vasey about his findings. His lab had previously shown that gay men in Japan were no more attentive or generous towards their nieces and nephews than straight, childless men and women. The same result has been found in the UK, US and Canada.

Vasey believes that his Samoan result was different because the men he studied there were different. He studied the fa’afafine, who identify as a third gender, dressing as women and having sex with men who regard themselves as “straight”. They are a transgender group who do not like to be called “gay” or “homosexual”.

Vasey speculates that part of the reason the fa’afafine are more attentive to their nephews and nieces is their acceptance in Samoan culture compared to gay men in the West and Japan (“You can’t help your kin if they’ve rejected you”). But he also believes that there is something about the fa’afafine way of life that means they are more likely to be nurturing towards nieces and nephews, and speculates that he would find similar results in other “third gender” groups around the world.

If this is true, then the helper in the nest theory may partly explain how a genetic trait for same-sex attraction hasn’t been selected away. That hypothesis has led Vasey to speculate that the gay men who identify as men and have masculine traits – that is to say, most gay men in the West – are descended from men who had a cross-gendered sexuality.


Gay people do have children

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In the US, around 37% of lesbian, gay, bisexual and transsexual people have a child, about 60% of which are biological. According to the Williams Institute, gay couples that have children have an average of two.

These figures may not be high enough to sustain genetic traits specific to this group, but the evolutionary 002biologist Jeremy Yoder points out in a blog post that for much of modern history gay people haven’t been living openly gay lives. Compelled by society to enter marriages and have children, their reproduction rates may have been higher than they are now.

How many gay people have children also depends on how you define being “gay”. Many of the “straight” men who have sex with fa’afafine in Samoa go on to get married and have children.

“The category of same-sex sexuality becomes very diffuse when you take a multicultural perspective,” says Joan Roughgarden, an evolutionary biologist at the University of Hawaii. “If you go to India, you’ll find that if someone says they are ‘gay’ or ‘homosexual’ then that immediately identifies them as Western. But that doesn’t mean there’s no homosexuality there.”

Similarly in the West, there is evidence that many people go through a phase of homosexual activity. In the 1940s, US sex researcher Alfred Kinsey found that while just 4% of white men were exclusively gay after adolescence, 10% had a three-year period of gay activity and 37% had gay sex at some point in their lives.

A national survey of sexual attitudes in the UK last year came up with lower figures. Some 16% of women said they had had a sexual experience with another woman (8% had genital contact), and 7% of men said they had had a sexual experience with a man (with 5% having genital contact).

But most scientists researching gay evolution are interested in an ongoing, internal pattern of desire rather than whether people identify as gay or straight or how often people have gay sex. “Sexual identity and sexual behaviours are not good measures of sexual orientation,” says Paul Vasey. “Sexual feelings are.”


It’s not all in the DNA

Qazi Rahman says that alleles coding for same sex attraction only explain some of the variety in human sexuality. Other, naturally varying biological factors come into play, with about one in seven gay men, he says, owing their sexuality to the “big brother effect”.

This has nothing to do with George Orwell, but describes the observation that boys with older brothers are significantly more likely to become gay – with every older brother the chance of homosexuality increases by about a third. No-one knows why this is, but one theory is that with each male pregnancy, a woman’s body forms an immune reaction to proteins that have a role in the development of the male brain. Since this only comes into play after several siblings have been born – most of whom are heterosexual and go on to have children – this pre-natal quirk hasn’t been selected away by evolution.

Exposure to unusual levels of hormone before birth can also affect sexuality. For example, female foetuses exposed to higher levels of testosterone before birth show higher rates of lesbianism later on. Studies show that “butch” lesbian women and men have a smaller difference in length between their index and ring fingers – a marker of pre-natal exposure to testosterone. In “femme” lesbians the difference has been found to be less marked.

Brothers of a different kind – identical twins – also pose a tricky question. Research has found that if an identical twin is gay, there is about a 20% chance that the sibling will have the same sexual orientation. While that’s a greater likelihood than random, it’s lower than you might expect for two people with the same genetic code.

William Rice, from the University of California Santa Barbara, says that it may be possible to explain this 003by looking not at our genetic code but at the way it is processed. Rice and his colleagues refer to the emerging field of epigenetics, which studies the “epimarks” that decide which parts of our DNA get switched on or off. Epimarks get passed on to children, but only sometimes. Rice believes that female foetuses employ an epimark that makes them less sensitive to testosterone. Usually it’s not inherited, but occasionally it is, leading to same-sex preference in boys.

Dr William Byne, editor-in-chief of the journal LGBT Health, believes sexuality may well be inborn, but thinks it could be more complicated than some scientists believe. He notes that the heritability of homosexuality is similar to that for divorce, but “social science researchers have not… searched for ‘divorce genes’. Instead they have focused on heritable personality and temperamental traits that might influence the likelihood of divorce.”

For Qazi Rahman, it’s the media that oversimplifies genetic theories of sexuality, with their reports of the discovery of “the gay gene”. He believes that sexuality involves tens or perhaps hundreds of alleles that will probably take decades to uncover. And even if heterosexual sex is more advantageous in evolutionary terms than gay sex, it’s not only gay people whose sexuality is determined by their genes, he says, but straight people too.

Complete Article HERE!

8 Steps for Choosing a Strap-On Harness for Men

By Mistress Kay

Strap-on fun isn’t just for women. Men can have fun, too. Use these 8 steps to choose the best strap-on harness for your needs.

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Did you know that even if you have a penis that you can still wear a strap-on harness? Yes, manufacturers make strap-on harnesses for the male-bodied as well as the female-bodied. While males can definitely wear strap-on harnesses designed for women, some find that the pressure it places on the penis and testicles to be uncomfortable. Strap-on harnesses for male bodies are designed with a penis in mind, providing much better comfort.

Strap-ons for people who have a penis can be used for a variety of play times. Some people like to use them as an alternative to penetrative sex (or in kinky contexts, as a “punishment” where the wearer doesn’t get to be directly involved in stimulation). Other people like to strap them on to continue the penetrative action after the penis has gotten soft (due to orgasm or other reasons). Yet others like to explore the idea of double penetration.

Complete Article HERE!

a pretty good looking guy, but a total wanker

Name: Anonymous
Gender: male
Age: 22
Location: Phoenix
Dear Dr. Dick, Im a pretty good looking guy, with a pretty average penis size, with a pretty average ego and confidence level. I am unable to make a first move. Whenever the situation rises, I become nervous as a little girl and the only thing I can think of is the awkwardness of rejection. Its really starting to throw me off balance when I cant get the physical attention I need, you know? It’s starting to make me think I’m gay also, which is totally fucking with my head. Help me out doc, what’s going on?

head up your ass

Well, anonymous, the fact that you couldn’t even bring yourself to put your own first name on this anonymous submission form, or even think up a plausible substitute marks you as a world-class wimp. And hey, here’s a tip, stop comparing your total lack of cojones to being a girl or being gay. You are neither — a girl don’t need no balls and gay men have ‘em. You, on the other hand, need to grow yourself a pair, pal!

So you’re 22, a pretty good-looking guy (or so you report) with an average sized dick (although I don’t see what that has to do with anything.), and yet you still are stumped on how to connect with a chick. Holy cow, did you miss junior high? Is there anything about you that women might find interesting? Are you intelligent, witty, fun to be with, a good conversationalist, sensitive, kind, a good cook, romantic…are you rich? Listen chum, you’re gonna need more to recommend you than bein’ pretty good lookin’ and a modest peanut.

“I can’t get the physical attention I need…” I’m gonna go way out on a limb here and guess you mean you can’t get laid, right? Maybe you need to work on your presentation. Because what self-respecting woman is gonna want to put out for someone as desperate as you. Start by getting off the pity-pot and learn to handle rejection. Don’t take it personal, rejection is just part of being a grownup. Also, jettison the notion that women are put here simply to satisfy men’s physical needs, that’s so freakin’ Neanderthal.

Put your pride aside and start connecting women as friends, not as potential sex partners. For most women, sex flows from intimacy. If you take the time to get to know a woman first, without that lean and hungry sex-starved look that I just know you have about you, you’ll find that, unless you are a totally dorky klutz, even you will get laid sooner or later.

Good luck

Worried About Weight? How to Have Spectacular Sex Anyway

By

Spectacular sex – at any size – is really all about putting mind over body mass.

Fat man holding a measurement tape against white background

I was in my 20s the first time I heard the term BBW and learned that it stood for Big Beautiful Women. I had access to magazines, TV, books, movies and a host of other media, all without ever hearing of someone who thought fat bodies (like mine) could be sexy. I’m like a lot of fat people. (And yeah, I’m using the word fat even though some people still cringe when they hear it. Nothing about it is inherently insulting, negative, or worthy of scorn. I promise, getting used to hearing it will take the sting out.)

Anyway, like a lot of fat people, I was raised on a steady diet of disdain for my body, predicated on the idea that I could never be happily partnered with anyone if I “stayed fat.” Many people of size are resigned to the idea that they should settle for boring, intermittent, unsatisfying sex, or worse -that they should forgo sexy times altogether until they lose weight. Given the stats on successful weight loss, roughly 95 percent of those people will be waiting a very long time. I’m sure geriatric sex is awesome, but why wait decades to have the awesome giggity you could be having right now? Let’s take a look at what keeps some Big Beautiful Women (and yes, Big Handsome Men too) from the big, big love they could be enjoying now.

 

Complete Article HERE!

The Role and Value of the Friend with Benefits for Gay Men

By Ken Howard, LCSW

vintage tenderness

Recently, some clients in my psychotherapy practice, which for 22 years has focused on the mental health and well-being of adult gay men, have been discussing the role and value of a “fuck buddy” in their lives.  While all sexual topics (even in our “modern” age) seem to come fraught with controversy these days (and we’ll see what y’all have to say about this one), the topic of the “fuck buddy” (sometimes, but not always, used interchangeably with “friend with benefits”), is especially controversial, with one camp saying it’s a great idea and others being appalled at the concept.

Always one to listen and learn from the thoughts, philosophies, and feelings of my clients, I heard some interesting things from one particular client recently, who gave me permission to share his arguments publicly (though the details are changed for confidentiality reasons).

“Cody” is a Southern Boy in his early 30’s who has been in a relationship for 6 years and lives in North Carolina (we work via Skype, and it’s really a life-coaching relationship, since I’m only licensed in California to practice psychotherapy).  His partner, “Matt”, also early 30’s, got accepted and now attends a very prestigious law school program in New England, the chance of a lifetime.  Cody co-runs a small business which is rapidly growing into a larger one, and moving with Matt to his new city would have been a very difficult proposition; he did not want to leave a very good job, especially not temporarily when Matt could end up in a law firm anywhere in the country.  Cody and Matt plan to get married immediately after Matt’s law school graduation, and they’ve already planned much of what they want in their wedding.

Cody can afford to visit Matt at regular intervals throughout the year, and they communicate (even “sexy talk”) via Skype almost nightly.  But their relationship still feels the sting of “long distance”, leaving both guys frequently horny and lonely.

To solve this, they agreed to have an open relationship, and some of the terms and ground rules of handling that were worked out in joint sessions with me on Skype (as I always recommend gay couples do; it’s too complex and full of pitfalls to handle it all without support).  I’ve coached both Matt and Cody separately as well, as each has had a need for support for very specific occupational and personal goals.  One of what I call the “external resources” that this situation needed, as both guys agreed, is that each wanted a “fuck buddy” who would stand in for their partner at certain times (mostly sexual, but for some social companionship locally, too).  Matt is still looking for his, but he’s meeting new guys at school and in his college city, especially via Grindr, Scruff, and Meetup.com groups.  The first guy he met didn’t work out well for Cody, but he found a second one that he likes.

Cody is a smart guy and spoke clearly about how his fuck buddy, “Chris”, has been ideal.  They get along and have fun, including sex, but Chris has recently gotten out of a 3-year relationship and is not looking for anything serious – the perfect candidate for Cody.vintage311.jpg

What Cody related about Chris includes some in the following list, and others I’ve added based on other conversations with clients and personal friends.  Here are some of the special advantages about the role and value of a fuck buddy:

  1.  It is not an avoidance of relationships – Contrary to some critics, having a fuck buddy is not the indulgence of some intimacy-avoidant, emotionally-stunted, horn-dog selfish clod.  It is a different type of sexual and emotional relationship, perhaps based more on fondness than on love, or perhaps a “love” that is more fraternal.
  2.  It can be the combination of sexuality and camaraderie without the components of long-term romance and domesticity – For some people, such as those with long-distance partners, having a fuck buddy means having some in-person companionship for local outings and recreation, and even sexual expression, but without the commitment and domestic component of a partner/spouse relationship.  It’s “relationship lite”.
  3.  Can be a coping strategy for long-distance relationships – Long-distance relationships can be a result of work projects (even overseas), which I see in my practice in Los Angeles for people away on TV or film set locations, or the result of school/training programs, health care treatment, caring for a distant relative’s health or settling their estate, or military deployment.  Open negotiation of the ground rules during the absence is better than unilaterally violating a monogamy agreement without discussion, or abstaining and resenting the physical/emotional harm that can come with deprivation.
  4.  Can be a bridge between class or cultural issues that really might get in the way of a primary relationship – For some fuck buddies, there can be issues of class or culture that might make having a long-term relationship untenable or very difficult (think Sybil and Tom on “Downton Abbey”).
  5.  Is a collaborative way to get needs met that have inherent limitations; is an exchange of favors – So many human interactions involve a negotiated exchange of favors based on mutual needs, and each fuck buddy relationship has unique parameters that make it work.
  6.  Is not for everyone, but it CAN BE for some people; it’s ok to embrace it as much as it is to reject it soundly – Sexual self-empowerment means saying yes when you want to say yes, and no when you want to say no.  If you want to say yes to a fuck buddy relationship with another consenting adult, as an autonomous adult with control and dominion over your own body, you get to make that choice (although if you have a primary partner, this must be a very frank discussion in order to avoid a ton of hurt, resentment, misunderstanding, abandonment, and even rage). love music
  7.  Supports a global benevolent idea of brotherhood – As a child of the 60’s, I grew up with “make love, not war”.  The Dalai Lama recently said something about if every child grew up meditating for 20 minutes a day, war could be eliminated in a generation.  With so many – countless – examples of how men kill each other in gang violence, war, violent crime, and so on, in such adversarial relationships, having a fuck buddy can be an example of benevolence, non-violence, and camaraderie in the Brotherhood of Man.  This is all part of the solution, not the problem.
  8.  It’s practice later on for a “real” commitment, in incremental gain/baby steps – I still maintain that I prepared for my long-term relationship with my husband (who is wonderful, by the way; I never miss a chance to say that) by previously living alone with my cat for a number of years after college first.  After years of living with roommates or alone, having a pet really was dress rehearsal for attending to, caring for, and sharing with a human adult partner (now spouse) in a domestic setting.  Having a fuck buddy might not be a “deep” commitment in romance and domesticity, but it can be a way of exploring relating to another person that is somewhere between being single and being partnered.  For some people, these incremental steps help build their confidence to tolerate a commitment and equip them for a long-term relationship with mutual responsibility.
  9.  Self-empowering sexually, trying different things without feeling “embarrassed” with a partner; exploring one’s own body and likes/dislikes of sensation – While communicating with a primary partner is essential to a good sex life, having a fuck buddy can be an opportunity to explore your sexual interests and fantasies in a lower-stakes situation.  Some people who are shy about telling their partner their sexual fantasies, especially the kinkier ones, might be more uninhibited with a lower-stakes fuck buddy.  It really “shouldn’t” work that way, but it does, and we have to deal in reality.  By being free to explore in a certain “sexual laboratory” situation, you can identify your likes and dislikes and not have to switch to “who’s-cooking-dinner” mode right after.
  10.  Can bridge differences in sexual orientations – While I don’t really respect closeted men as much as those brave gay men who have the courage to come out regardless of the circumstances (living in the Bible Belt, for example), having a fuck buddy can be a way for a man who is “straight” publicly or bisexual to get the “other half” of his sexual and even social needs met.  This is particularly controversial, but all gay men have some idea about this.  Many men can be ambivalent or conflicted about how they identify sexually.  Some might feel a pressure to conform to heterosexual norms, others might quite selfishly want to ride the coat-tails of heterosexual privilege and have their, uh, “cake”, too (albeit at the risk of exploiting or using the gay buddy, but this is better if it’s an honest discussion of what the deal is).  The fuck buddy relationship can also help a conflicted guy move closer down the spectrum to living as an “out” gay man, but in a gentle and gradual process that feels right for him. Bert&Ernie
  11.  Can help other specific situations – The fuck buddy relationship can be a resource for a gay man in early recovery from crystal meth, who is used to the “party-and-play” (PNP) scene, to practice having sober sex with a no-judgment, experimental, low-stakes, fail-safe atmosphere.  I have worked with many guys in my practice who need this kind of opportunity, because learning to have sober sex again is really a skill in recovery that you (usually) can’t get in a CMA meeting!  The fuck buddy relationship can also help someone with a disability or injury to be sexual again in their own way, even if they don’t have a primary relationship yet.  This can a certain “rehabilitation” that a licensed Physical Therapist certainly can’t provide.  This can be for guys who have been injured in a vehicle, sports, or industrial accident, or as a combat veteran who uses prosthetics.
  12.  Can allow for specific sexual interests (BDSM, fetishes) to be fulfilled  — There are times when everything else in a relationship is great – the emotional, the sexual, and the domestic – but certain sexual interests go unfulfilled.  Having a fuck buddy who provides a certain “outsourced” activity, such as BDSM or other kink play, can be a way for that partner to be fulfilled without burdening his partner to do something he really doesn’t like.  I’ve seen that in my practice several times, and it can be a “win-win” solution to the dilemma; everybody’s happy.
  13.  Can be a way to manage sexual incompatibilities – The fuck buddy relationship can also “outsource” situations where the couple gets along fine in most ways, but perhaps a strict top is partnered to a versatile bottom.  For the versatile bottom to be able to top once in a while might require a fuck buddy who is happy to oblige.  This can also be the case when a partner is fulfilled in every way in the relationship except perhaps wanting to fulfill his “size queen” interests.  Outsourcing this to a well-endowed fuck buddy occasionally can fulfil the desire and then get back to regular domestic/sexual life.  This prevents frustrations from building and can resolve tension or even unspoken resentments in a relationship.
  14.  Last, Cody says that having experiences with outside buddies, rather than undermining his relationship with Matt, actually strengthens it because he “sees what’s out there” and learns to appreciate the relief when he’s finally back to see Matt because “everyone else is just not Matt”.  When they are together again after an absence, it’s all the sweeter to revisit the familiarity and intimacy they have built for years, and they never take each other for granted.

There are disadvantages, too, of cavorting with fuck buddies which have been discussed elsewhere.  Sexual conservatives (which can include plenty of therapists, even gay ones) would deplore the very concept of the fuck buddy as “deviating” too far from socially-expected relationship norms, particularly heterocentric ones.  But like most controversial topics, listening to both sides of a debate can entice you to clarify your feelings on the subject.  You have a right to your own feelings, even if they differ from your peers.  Only you have dominion over your own body and what is, and is not, done with it/to it.  Sexual self-empowerment means taking all these questions about sex and relationships, and deciding what works – and what doesn’t – specifically for you, based on your values and your own rather hard-wired preferences and proclivities.

Complete Article HERE!