You are in a really tough spot. I agree with Busto, you need to become unavailable. You keep thinking that if you are there for her she will have a change of heart but I'm telling you its not going to happen.
Don't let her make all the rules. Don't let her take your son on your day, she wouldn't let you do that.
I'm actually thinking maybe she is just being nice to you just to get through the divorce, I hope I'm wrong because I really want you to work it out.
I know you don't want to do this but I would try to make her jealous and hang out with other guys and women, throw a couple pic's on facebook having fun without her, she will see them and freak out.
What do you have to lose, she not there for you as a wife and what you have tried for the last 8 months hasn't changed her from stopping the divorce.
Shaky
M 42 W 41 S 10 D 7 M 15 Years T 20 Years Divorce busted