Find out at what age she was molested or abused...
She is doing it all for the attention because of trauma in her past.
I can guarentee that this is the case...
Don't get involved with the chaos she is trying to bring into her life, it will only hurt you in the long run.
People like that honestly don't realize that something is wrong.
It's like women that are only attracted to wife beaters because they want to keep reinacting the abuse that happened to them as children.
They can't help it and most of the time actually want to break the cycle but they can't because it is the way that their brain is hardwired...
Same with this chick.
Run. Run screaming into the night.
Listen to love line...Dr. Drew has a lot of insights into this type of behavior.