Should I divorce my husband to be with a man I met on a married dating site?

Angry woman having discussion with her husband at home.

DEAR DEIDRE: AFTER a turbulent few years with my husband, in a moment of despair I decided to join a dating site for married people. 

I never expected anything to come of it, but then I met an amazing man, and now my life is in complete turmoil.

I’m 42, and my husband is 45. We’ve been married for 20 years and have two teenage girls together.

Our marriage was mostly good, but we started having...