Q&A How can a Betrayed Spouse Become Unfaithful?

Question

My husband and I have been married for almost 13 years. This is my first marriage and his second. His first wife cheated with a coworker during their second year of marriage and yet the marriage lasted for 11 years. That said, before we got married his mantra to me and others was " if your going to cheat then please leave me". So imagine my horror when I discovered his infidelity which lasted for 10 years!!! So my question is why would someone that has experien...