[simmerup]

I believe you'll have to train yourself to recognize two things as facts:

The first, is that whatever you believed you loved about her was just in your head. Her actions have proven she's not the woman you thought she was, so your dreams about the type of life you could have with her are just that; dreams. A phantasm of your imagination that you'll need to let go of. What you think she is and what she actually is are two entirely different things.

The second is that whatever you felt for her, you can feel for someone else. You'll find another person you care about. She isn't the only one.

Whenever you start pining for her, try to remember these things and cut yourself off from any dreams of reconciliation; remind yourself of the facts of the situation and move on.