when do you give up an walk away?

[hollysmom]

9. believe me my involvement had nothing to do with saving him.

I had not seen him since he was in his 30's since his wife banned me, I kind of wanted my brother back, but this is a shell of a person in his 50's. I know not to tolerate abuse, so I would not go back until I got an apology, but his daughter begged me to come again because he was getting worse since I refused to visit.
And I wanted to spend time with his daughter and ignore him to some degree because I was working on her resume and she needed a lot of changes to it. When I got there , she was at a birthday party and he was alone. Cursed at me at the door, so I just went back home. No interest in dealing with him.
I am just thinking that it has gotten to the point where my brother is mentally damaged from the alcohol and probably a number of concussions as he has been known to get into fights and car crashes and maybe I should look into getting him committed. I can't change him and I don't want to care for him. I just don't want to wake up with police trying to drop him at my house one day. And I would like to see his daughter have a life outside of the constant verbal abuse. When she was little she used to comment how quiet my house was all the time, no yelling. no cursing (except my ex but that was not often and it was never aimed at me but at a car or a gadget that failed, hehe).