Just what is considered infidelity? What are the boundaries of "cheating"? And what exactly is "“cyber infidelity"?

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.