Write down what your complex involves - be honest with yourself! - then get a good friend that has known you for a while to read the list and give you an honest answer, only then will you know where...
Tell him things need to change, that you are NOT happy. If he refuses to change, drop him like a rock. Nobody should have to deal with someone who doesn't respect them, and who cares more about...
By using the tried and true formula "Once a Cheat, Always A Cheat"
Either seek professional help for both of you, Marriage Consoler preferred, psychologist if you can afford it, or Make him sit and...