I'm curious about what W was like while you were dating. She must have had some confidence or you wouldn't have been attracted to her. Or you're REALLY a fixer who goes after wounded women in order to be their savior.
Ultimately these are her issues and she has to deal with them. If she chooses to deal by throwing herself into her work and seeking attention from other men then she's taking the easy way out and looking for other things/people to make her happy. You can't do anything about that. What you can do is choose to live your own life, work on your own personal growth, and make yourself happy. If she doesn't want to go on that journey with you then so be it, her loss.
If you love somebody, set them free. http://tinyurl.com/2empx2g