This is full of love and admiration for your mother, Dais. Yet, taking such abuse, I am sure you have done the right thing to block her. I have a mother who can also be very unpredictable and when she goes off on a vicious attack, I have done the same. Now I maintain a clear distance and don't let my guard down. It's important to protect ourselves for lots of reasons. Sanity and well being are at the top.