There is nothing you can do to get her to see the light. EXCEPT, become the lighthouse. Focus on you. Become so awesome for you, that anyone with 2 eyes and a heartbeat would love to be with.
Your W's complaint is codependency. How can you become more independent? I'm very much a codependent as well. It's hard to overcome, but it's possible.
It's not over, my friend. Use this time to become the best daybyday possible.