Infidelity is the most devastating rupture of trust in a marriage. How can you prevent this from happening? How do you "affair-proof" your marriage?

Regarding infidelity, much is written for the person who was cheated on. Tammy Nelson, Ph.D. shares a different perspective on infidelity: when you're the one who cheats.

For many couples healing from infidelity, Valentine’s Day brings a mix of pain and passion. Therapists help partners sort through these complicated emotions.