I was sure our love would be forever, so when I walked in on him making out with some guy from work (who also had a boyfriend-so what gives, man?), I had no choice but to rush out of his apartment. I spent the next two weeks trying to get our relationship back on track, which seemed like the most stoic and grown-up thing to do.

As it turns out, cheating is the most common reason for divorce. Roughly 2% to 4% of spouses have had a sexual affair with someone else within one year of in Current Opinion in Psychology. Read More >