You need to step off the crazy train. The saying around here is "believe nothing they say and only about 50% of what they do". Detach a bit more. You are dealing w/someone who is emotionally all over the place like a ping pong ball. You can't rationalize w/someone who is emotional.
This is her lot to fix and you can't fix her. She has to do it for herself. You aren't her father, in fact, she's fired you as a husband for the time being. Leave her to figure things out for herself.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.