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Hello and thank you for using JustAnswer. I am very sorry that your mother has been treating you in this way, I can understand how distressing this can be for you. While I cannot diagnose your mother officially without a face to face evaluation, I can speculate as to some of her issues. If your mother has been behaving in this manner for most of your life than it would appear she may have a personality disorder, possibly a mix of Borderline Personality Disorder (BPD) and Narcissistic Personality Disorder (NPD). But even if she does have a mental health disorder, does that really matter because you recognize that her behavior is harmful to your mental well being and is overall problematic. So even if she has a disorder or not, that still does not take away from the fact that she is displaying this problematic behavior and I believe it would be in your best interest to try to get away from her as soon as you viably can given the harm she presents to you.