I'm in a serious relationship with someone who has BPD. I'm not sure how to treat my SO when he splits and im not sure how to feel about it either. splitting happens very often and easily. If one of my friends brings up something about me that triggers him he views me as a really bad person for a few days and it is really difficult for me to not take it personally and get depressed over it. It can be something either said in person or something my friend brought up about my past in a PM over facebook. A friend of mine asked me about my ex over fb and he read the conversation. The exchange made him feel insecure and unworthy of my attention so he wouldn't talk to me without arguing for days. I don't blame him for the insecurities that come with his disorder, I want to help him through them in a healthy way. What are some things I can do to help him feel reassured when these things happen? And what are some things I can do to not take his splitting as personal?