Yeah, I do feel like my fear of doing something that makes her up and leave has subsided a lot. I finally started to understand that all I have been doing is enabling her and giving her more reasons to A. find the OM more attractive than me and B. not do anything to change the situation. I think that because the root of our problems are from the fact that I wasn't assertive for so long, that she's just expecting me to talk big and back down or not follow through.
Confused Guy,
You are at the same point as many of us. Talk a threat or boundary and they are sure to cross it, JUST BECAUSE. You are going to have to take actions, which are not spoken. If she keeps doing it, you are going to waste alot of time.