Oh, Melanie, Take care of you! I'm so sorry to hear about this--what a hard time. I wish I had some advice, but I am completely out of the 'step'ring--except for my husband's step-mother and him and his brothers have been able to make

with her.
I do know that smart love addresses alcohol and drugs in case you are looking for another resource. I won't pretend to be an expert and try to explain it.
((((HUGS)))))) and GREAT job with the rules that she hates. Someday, hopefully, she'll appreciate it.