Your wife thought cheating was ok just because she was "honest" with you about it? That really takes the cake. She just wants to keep beating you over the head with this so she feels less guilt.
Sorry to take so long posting-been busy this week. I agree with Kimmie. My analogy is; if someone commits a crime would it be ok b/c they told you they were going to do it? If someone tells you I'm going to rob someone, it's ok b/c they told you? Obviously that's not true. My H said that too, like it excuses immoral or bad behavior b/c they're honest about it? I think both of you did stuff that hurt the marriage, but it's easier maybe to look at someone else' behavior instead of our own.
I would recommend going dark and dropping the rope. This isn't done for revenge, but usually to escape negative patterns that it sounds like you're having and to get some calm & peace. Focus on yourself and improving yourself as much as you can. Make yourself into the best person you can be.