My first marriage...... Divorce he was cheating I remember having such hate towards him (Rightfully so) in the first few months apart and the divorce papers where in the works I was sick constantly if I would see him to discuss our daughter or who wanted what etc ...
I changed alot, See I wanted a divorce when our daughter was about 1 years old .. I just wasnt happy all around.. But he begged and I kinda thought " well we wont fight over the Dog ( seriously) .... Daughter was 5 and he left me for a woman he hired at his job.
It was about 8-9 months later until I could have a conversation with him and not get all upset and cry or go into a hell of a rage...
Things will improve.. Yes she changed and so are you.. It happens, its a part of life.. Try and limit your amount of time dealing with her right now, I would certainly not welcome her into your home, If you need to physically to speak or give each other stuff I recommend you meet away from your home.. neutral ground.. Steve and I would meet a coffee shop or whatever, Not my home..
My daughter is now 26 and I no longer have ill feelings toward him, Time does change feelings , Looking back .....him cheating was a wonderful thing, We just didnt "work" anymore.. We still have to talk about things reguarding our daughter but of course not nearly as much as when she was growing up...
You will get through this, Try and focus on the kids .. Nothing worse for kids than having fighting parents no matter the age....