I, too, come from dysfunction. I have learned thru some self help books-the best one "the Language of Letting Go" by Melody Beatti that I need to take care of/protect myself from the garbage of my family. I cannot change them. If I expect them to act differently, then I end up being disappointed/frustrated and upset.
I am with them at my choosing, accept them for who they are and have tried to give up "fixing" them-I did type "tried" because I occasionally still have hopes for normalcy. Instead I am grateful that I am mostly healthy
Best wishes,
Linda