With cheating in a relationship, whether physical or emotional, it's typically clear when things have gone too far — but what about your partner seemingly turning up the charm for a friend or ...

At first, his relationship with Claire seemed innocent enough. They were old friends—longtime colleagues, in fact. Plus, she was married and we were happy. Or, so I thought. Then, she got divorced and ...

A psychologist explains the contributing factors behind the surprising number. Fact checked by Cherisse Harris Around 20 percent of married men admit to cheating, with infidelity rates increasing as ...