Cheating Sucks - Plain and Simple

I guess I don't understand the cheaters of this world. If you want to cheat, why don't you just end the relationship instead? Why cheat?

Cheating causes problems that go beyond a marriage or romantic relationship, however. We've heard from many of you on the issue of finding out about a friend's infidelity and what you did about it. It puts you in an awkward position because, while you want to be there for your friend, their behavior with a spouse does spill over into your friendship.

But perhaps an even bigger issue is when you find out a friend's spouse is cheating on them. What do you do? Do you tell them or not? Here's some help in deciding what to do.