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.
Welcome to NFL Sunday! At 11:00 see Peyton Manning flip off the top rope and clothesline Clay Matthews! At 2:00 Drew Brees will hit Terrell Suggs with a chair! Buy your Andrew Luck jersey and let's get reeeeeady to rummmmmble!