You are getting there, Judy. Once you start taking care of yourself and have some unadulterated fun, you'll see that you will be okay. Keep telling yourself that! Choose to respect yourself, and you'll see that your self esteem returns. You can still be hurt and broken, and maybe full of regret, but you'll know you weren't the one who quit. And that's entirely liberating.
It's troubling to see it all fall apart, but I've determined that my gut feeling was correct. When she said she was done, I held out hope, but still detached. And it saved me.