A few weeks later, she joined him for "a wonderful weekend" in his home state. (For men, the figure was 90 percent.) And should they be propositioned by someone they found attractive, 48 percent of the women (and 69 percent of the men) said they would be tempted to have sex outside the relationship.

Indeed, many surrendered to that lure in actuality: 36 percent of female respondents (but, surprisingly, just 21 percent of the men) had spent a night with an old flame, typically at a class reunion.

" At first, her disclosure strikes you as too much information.

But then it gets you thinking: You're single, too — what could be so bad about a casual night in bed with someone you like but don't love?

En español | You made the mistake of asking your adult daughter if that guy she went out with last night was "anything serious." She gave you a nonchalant shrug and smiled.

"Don't book the church yet, Mom — it was just a hookup!

Because of China’s rigorous college entrance examination, dating is rarely tolerated among high school students. That doesn’t mean that Chinese teens don’t have high school crushes or even relationships (mostly secret ones).

But in general, Chinese students leave high school with a lot less romantic experience than their American counterparts.

For 50-plus types unwilling to walk — possibly rewalk — the path that leads to romance, rings and relocation, the prospect of a "friend with benefits" is looking less and less like a millennial indulgence.

After all, it gets awfully lonely waiting around for "the one." Perhaps you've decided that what you need at this point in your life is someone to talk to and laugh with — someone with whom you can share the sheets, but not the tax refund.

Further evidence of Roving Eye Syndrome came from a study of sexuality in the United States commissioned by AARP in 2009: It found that 6 percent to 8 percent of singles age 50 and up were dating more than one person at a time.