Tread, if those people can knock her out of the fog, she may not have a path back to you. If you can live with that so be it, but please also consider that your S13 may very well need his mom.
You are entitled to your anger and resentment. It certainly seems you have been put through a lot. But you won't feel better. In fact, you may regret it down the road or it may make you feel even worse.