poedameron, I'm so sorry you're having a rough time. One month out is still very raw. The whirlwind of thoughts and emotions can be overwhelming.
These relationships can be emotionally devastating. With time, the thoughts and emotions calm down. But right now, you have every reason to feel confused, heartbroken, and deeply hurt. Grieving the end of a relationship is hard - detaching from a disordered relationship adds its own unique challenges.
I know you're desperate to come to terms with her reasoning and try to understand. It's only natural to both want and not want her. These relationships are complicated and difficult to process.
It may help you to just step back and give yourself some time to recover and heal. You can start to put the pieces together more clearly once you've given yourself time to move on from the rawness.
This lesson was very helpful to me when I was raw, depressed, and desperate for answers -
Lesson: Healing, the big pictureAnd the worst part is there was no talking to her about it... .it's like a switch went off in her head and I became someone else to her (splitting I guess). Man that is so painful for me... .I've wanted to just end it all at times (my life) but obviously I would come to my senses a day or two later... .but it still hurts so much.
Being split black by a loved one is incredibly painful. I'm so sorry you had to experience this.
I'm very glad to hear that you pulled through those times when you wanted to end it all. Was there anything in particular that helped you "come to your senses" and get through those times? How long has it been since you last had those thoughts?
Keep posting - it helps to talk.