At our last al-anon meeting I was dealing with this and we focused on resentment...which I am full of.
How to get on with me and not let him off the hook. I don't like that attitude that accepts his abuse. And manipulation thro' cheating is abuse.
I just wanna YELL "WHAT WAS THAT???? Expecting me to give all to and it's worth WHAT to you?!!!!!!!!!!!!!!!!"