We could debate why people cheat longer than we dissected what exactly counts as cheating, and now a new study has added another lame excuse: the tendency to cheat is genetically predetermined. The same gene linked to alcoholism, gambling, and thrill-seeking makes people more likely to cheat and have one-night stands. It's all related to a system of pleasure and reward that releases the Read more

Sex outside marriage has been getting a lot of attention. There was the movie based on real life, Breaking Upwards, about a young couple that chose an open relationship over a bored one; dating sites for extramarital affairs popping up, and studies touting the benefits of booty calls and cheating. Research psychologist Jesse Bering blames his colleagues in evolutionary psychology and "liberally Read more

Another day, another survey finds single women are pickier than married women. Inevitably, the next breath blames a woman's single situation on her sky-high standards — an argument Lori Gottlieb turned into all-out brawl after writing Marry Him. But maybe it's married women we should be looking at? Has anyone ever studied the same women before, during, and after marriage to see how standards Read more

Here's a post from OnSugar blog My DISFunkshion. If a man has a one-night stand, he celebrates his victory and receives numerous high fives from friends. If a woman has a one-night stand, she either must have been looking for more than a one-night stand, and was fooled, or she made a terrible mistake. Why can’t a woman receive the high fives the next day? Trying to picture this scenario, it’s Read more

"I've only been with two men my entire life. My childhood sweetheart and Brian. I can never have sex with someone that I don't love, ever. The idea makes me sick. I've never even come close to having a one-night stand." — The notoriously sexy starlet tells Harper's Bazaar UK that her real-life sex life defies her reputation. Sounds like she has something in common with celibate Lady Gaga. Read more

Peggy! So good at your job, so bad at choosing men. Back in the first season of Mad Men, she skittishly flirts with Don, her boss, on her first day because she's told he needs to like his secretaries to keep them. That fails, and she sleeps with smarmy Pete Campbell, who just happens to be getting married that weekend. Then last night, she has a "go-round" with — spoiler! — middle-age Duck. Read more