10/30/2008 05:12 am ET Updated May 25, 2011

The Science Of Straying

Google the words "marriage and affair" and you get more than 17 million variations on how to heal. That's because "fidelity in marriage"--which only gets about 3½ million hits--is a hard thing to come by these days. Some statistics say that roughly 50 percent of married men will cheat, and at least 81 percent won't admit to it even after a woman asks that searing question.

Read more on Newsweek