Hi Sunshineandsunfl,
Welcome to our online community

I am sorry to hear the relationship with your mother is so problematic. You are already dealing with your own health issues which is difficult enough, and your mother's behavior unfortunately only seems to make things harder for you.
The BPD traits you see in your mother, does she only exhibit them with you or also with others?
You mention being sure your mom can see how much stress she causes you. The thing with BPD though is that part of the illness is having distorted perception and thinking, and often also a focus on one's own thoughts and emotions. I remember one time I was in physical pain, and my uBPD mom was oblivious to it, she didn't register it at all. When my sister came by she noticed it right away though, and my mother reacted shocked and then guilty and also ashamed because she was not able to tell that her own child was in pain.
Your mother is currently there to 'help' because of your health issues. How long do you think you will require help? Are you dealing with a long-time condition or something that you see healing in the foreseeable future?
Take care

The Board Parrot