DEAR ABBY: I’m an only child (in my 30s now) who was raised by an emotionally and verbally abusive mother. When I wasn’t her whipping post, I was an emotional crutch for her and had to assume parental tasks. Since I became an adult, she has violated my boundaries repeatedly. We just don’t have a good relationship. About 15 years ago, she injured herself at a friend’s home and didn’t seek medical care. She has used this injury as an excuse for not being able to do things over the years. I’ve wondered many times how bad it really is, or if she uses it as a reason to get others to do things for h…