huhhuh,
Have you been working on yourself esteem issues? There is a lot of great information and advise on this forum. But if your not applying the information into your life, you will continue to attract these type of people back into your next relationship, or even consider contacting an Ex GF.
There are a number of books that are listed that are really helpful to start you in the right direction by your self. You might consider a therapist.
The BPD was not the only problem in these relationships. It takes two people. And you are the other person. You need to look at what is going on inside your mind, that allowed you to be attracted to these type of irrational behaviors of the BPD. A healthy person would have seen the

well in advance, and have never got into this type of relationship. Best of luck to you.