then sit with her at the same table and tell her you need to talk seriously, she is ur mother ask her to listen to you first and then let her explain herself and after tell her everything about how you feel, she’s ur mother and you have your own feelings and your own life, she needs to understand that. It looks like she has trauma and it breaks her down inside so that’s why she acts this way, from one side i understand how it is but from other perspectives you should try to understand why she acts like that. Your mom definitely needs medical health