I am dealing with the same thing with my daughter. She was diagnosed with Borderline Personality Disorder and I will be looking into these groups as well. So very hard. The only I have found on this journey so far is validating her feelings. I just say that I understand whatever it is she said to me and repeat it back to her. That's as far as I've gotten. Yet the person you are talking about sounds exactly like my daughter. Poor decisions with bad consequences which she continues to repeat over and over again. She rages for hours and can equally cry just as long. I never know what I'm waking up to each day. It blows my mind. I also seem to be the target but I think, I can totally be off base here, I'm the one that's always there for her and sometimes I feel like she is trying to separate from me. Like their is a strong dependency on me. I also think I'm the rule maker in the home and I don't sway from certain things I believe in. I still have to be her mother and watch out for her safety. So difficult though. She's flipped her car, another time hit a sign. She has tremendous guilt over everything, no sense of identity, no self confidence. Threatens to kill herself, which I believe is a real possibility which scares me the most. It's so heartbreaking and sad to me. She was with a therapist and psychiatrist but now have her in a program which offers DBT skills. I feel for you. So very, very hard.