Cheating: it’s the ultimate relationship violation and a notorious relationship killer. A favorite gossiping pastime, the phenomenon is frequently discussed but difficult to study. The goal is to ...

You're an attractive person in a loving, committed, happy relationship. Still, there is temptation at every turn. At the grocery store, the cute person at check-out smiles at you with a raised eyebrow ...

I got an email the other day from a journalist who was writing an article about why men cheat. "I'll probably be paying the most attention to Cheryl Cole and her recent marital problems," she wrote.