Below are excerpts from the website of the last link within this response.I think that knowledge is power.I also have to ask if you have ever tried to put yourself in his shoes.People do things they know they shouldn't because they can.I have to say as tenderly as possible,that a healthy person will not continue to tolerate the dynamics of this relationship.You must begin to learn of what constitutes a healthy relationship.Look up push pull behavior.Hold your self accountable.

Anger in BPD is described as “inappropriate, intense anger or difficulty controlling anger (e.g., frequent displays of temper, constant anger, recurrent physical fights).” their anger has a much longer duration than other people experience. patients are taught skills to help them better manage their anger and decrease angry outbursts. Other types of psychotherapy for BPD, including schema focused therapy, transference focused therapy and mentalization based therapy, target anger as well. coping with bpd anger BPD Romantic Relationships

http://bpd.about.com/od/understandingbpd/a/bpdanger.htm