"I've been holding onto hope that therapy will help us reconcile. "
This is foolish thinking. Don't put all of your eggs in one basket. You're still relying on her to change before changing yourself.
Detaching is one thing, but at the same time while you're detached, you have to be strong rebuild yourself and your image. Let her see a different person.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.