Originally Posted by Rain Man
It seems to me like he shouldn't push you out of your own family. Just go and keep your distance from him. Your mother will eventually have to be the one who makes the final call on the guy, and you can't control that.
Showing respect to your mom is also respecting your principles.
Lack of self control or allowing him to get between you and your mom would not be respecting your principles.
You can always excuse yourself and just leave if an issue arises.