Look up 'tapping' on the web. It's goofy but whether a placebo or not, I did find some help in it. "Despite the hurt I feel over my WAW's actions, I deeply love and accept myself" might be a mantra.
Just remind yourself, that her actions have nothing to do with you - and not in a feel sorry kind of way, either! Visualize the total separation of you both. Tell yourself that right now, her business is none of yours. She has a right to live her life the way she wants to.
These are what I call mental hygiene thoughts!
Mid 30's Psych-abusive M with violent tantrums from XH D 9/15; NC forever on