The only thing I can give for advise is, that you take it slow. To me it sounds like you desperately try to help her. Otherwise a method I approve of but in this case, don't do it, it frightens most people (at least from my experience it does) after all. Give her space, she knows you'll do everything for her, so it will help her open up to you over her issues over time. Of course I'm no psychologist so there is a slight possibility it might fail, but I highly doubt that.
I hope I could be of service, from a long-term point of view at least