Right now you're doing things right, HOWEVER, distance yourself. She already filed and blind sided you. You can't show that you are "ok" with this. The bigger the shock to her, the quicker she'll realize her mistake.
Do the 180s and start going out and having a social life again. In fact, do a full 180 and start changing how you physically look. Maybe a new wardrobe or physical appearance to show the difference.
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.