This is supposed to be a supportive environment. Usually when people make posts they are troubled about something. Empathy is needed, not criticism. As someone who has a dad who behaved like this, also, I suggest staying as far away from him as possible. It's easy to start getting used to this kind of relating with others, and then end up thinking that's normal, when it's unhealthy, no matter what you are doing or not doing to help out. You deserve respect. And I think that is what is really important here.