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Why do people want to have sex? For reasons varied and complex

What motivates us to mate?

What motivates us to mate?

by Karen Kreps

I didn’t really feel like having sex the other day, but I did anyway. My motivation wasn’t very clear. I had some free time. There was an opportunity to join my husband while he was taking a siesta. I assumed correctly that he’d welcome my initiative, and I said to myself, “Why not?” I thought it would relax me and help me get out of my head. It did.

The reasons we choose to have sex vary from person to person and from time to time. People do it for serious life-affirming reasons, for frivolous debauchery and everything in between.

“Historically, the reasons people have sex have been assumed to be few in number and simple in nature—to reproduce, to experience pleasure or to relieve sexual tension.” So wrote a couple of professors from the University of Texas at Austin. Cindy Meston and David Buss, both PhDs in the Department of Psychology, have published a thorough taxonomy of sexual motivation in the Archives of Sexual Behavior after conducting a scientific study of why people have sex—an extremely important, but surprisingly little-studied topic.

Research in the nineteen-seventies, -eighties and -nineties showed that people had sex for reasons that were varied and psychologically complex. These included a desire for pure pleasure, to express emotional closeness, to please a partner and to make a conquest. Yet most of the reasons documented in those decades, implicitly assumed the context of an ongoing romantic relationship or long-term mate. Humans, however, have a menu of mating strategies, including long-term, short-term and extra curricular mating. There might be reasons for having sex with a casual sex partner such as the desire to experience sexual variety or seeking to improve one’s sexual skills. Sex could be exchanged for favors, special privileges and a preferred job or indeed for any resource.

Sex might be used to reward a partner or as a favor in exchange for something the partner has done. Or sex might be used to retaliate against a partner for some perceived wrongdoing. Also, sex might be used to intensify the relationship, escalate the level of commitment within the relationship or turn a relationship from short- to long-term. Women, in particular, were thought to engage in sexual intercourse for emotional closeness, bonding, commitment, love, affection, acceptance, tolerance and closeness.

In their recent study, Meston and Buss surveyed more than four hundred men and women, ranging in age from seventeen to fifty-two, who responded to the query: ‘‘Please list all the reasons you can think of why you, or someone you have known, has engaged in sexual intercourse in the past.’’ The more than seven hundred answers collected resulted in two hundred thirty-seven distinct reasons.

Once they came up with that long list, Meston and Buss asked more than fifteen hundred college students, in exchange for psychology class credits, to rank the reasons in terms of how they applied to their experiences. Keep in mind that these results reveal the behavior of those who are of an age when, Meston conceded, “Hormones run rampant.” She predicted significant differences when older people are studied.

The research found similar reasons for why these young adults got intimate, and the Number One reason was simply: “I was attracted to the person.” While the primary reason involved lust, rather than amour, expressing love and showing affection still were in the top ten for both men and women.

Gender differences were negligible. Twenty of the top twenty-five reasons given were the same for males and females. “Men were more likely to be opportunistic towards having sex,” Meston said. “So, if sex was…available, they would jump on it—somewhat more so than women. Women were more likely to have sex because they felt they needed to please their partner.” Men, the study revealed, were more apt than women to have sex to get things like a promotion, a raise or a favor. Guys were much more likely than gals to say they’d had sex to “boost my social status” or because the partner was famous or “out of my league.”

The study Meston and Buss completed inspired New York Times science writer John Tierney to provide an on-line forum where the public could add their ideas to the list of reasons to have sex. In just a few days, he got hundreds of responses, which lead the UT researchers to put an additional forty reasons on their list.
Reading the many tawdry reasons why others have sex, I felt more inclined to forgive my own past foibles.

The reasons I found scariest involved revenge: “I wanted to give someone else a sexually transmitted disease (e.g., herpes, AIDS),” “I wanted to get rid of aggression” and ‘‘I thought it would help ‘trap’ a new partner.”
The most inspiring reasons involved celebration: “Because life is short (and a hundred years from now we will all be dust),” “To recover or reaffirm life after the loss of (a) loved one” and “I wanted to become one with another person.”

While we may wish to keep to ourselves the rationalizations for our behavior, the act of reasoning itself has value. By delving into our own feelings, getting honest with ourselves about why we get it on, we’ll gain greater personal understanding of and appreciation for our own sexual natures.

Between these covers, find secrets to great relationships! Buy the book now and learn about love.

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