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Sexual Regret in Survival and Reproduction

By University of Texas at Austin - 2014-11-09

Summary

In a study on regret surrounding sexual activity researchers found stark contrast in remorse between men and women, potentially shedding light on evolutionary history of human nature.

"For men throughout evolutionary history, every missed opportunity to have sex with a new partner is potentially a missed reproduce opportunity - a costly loss from an evolutionary perspective."

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Researchers for the peer-reviewed study included University of Texas at Austin evolutionary psychologist David Buss. The study was led by Andrew Galperin, a former social psychology doctoral student at the University of California-Los Angeles; and Martie Haselton, a UCLA social psychology professor. It is published in the current issue of Archives of Sexual Behavior.

The findings show how human emotions such as regret can play an important role in survival and reproduction. They suggest that men are more likely to regret not taking action on a potential liaison, and women are more remorseful for engaging in one-time liaisons.

"Prior sex researchers have focused primarily on the emotion of sexual attraction in sexual decisions," Buss says. "These studies point to the importance of a neglected mating emotion -sexual regret - which feels experientially negative but in fact can be highly functional in guiding adaptive sexual decisions."

Evolutionary pressures probably explain the gender difference in sexual regret, says Haselton, who earned her Ph.D. in psychology at UT Austin.

"For men throughout evolutionary history, every missed opportunity to have sex with a new partner is potentially a missed reproduce opportunity - a costly loss from an evolutionary perspective." Haselton says. "But for women, reproduction required much more investment in each offspring, including nine months of pregnancy and potentially two additional years of breastfeeding. The consequences of casual sex were so much higher for women than for men, and this is likely to have shaped emotional reactions to sexual liaisons even today."

In three studies the researchers asked participants about their sexual regrets.

According to the findings:

Regret comes after the fact, so it's not protective, Haselton notes. But it might help women avoid a potentially costly action again.

"One thing that is fascinating about these emotional reactions in the present is that they might be far removed from the reproductive consequences of the ancestral past," Haselton says. "For example, we have reliable methods of contraception. But that doesn't seem to have erased the sex differences in women's and men's responses, which might have a deep evolutionary history."

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