give him the boot.
would have been best to NOT rescue him for him his own choices. and bringing him to your home and then letting him have all the luxuries fo a home YOU pay for and work hard for while he went and blew everything on dope TELLS HIM its ok.
if he's a big enough man to go to the hood and trade in his car and phone for dope, he's man enough to figure out what next to do with HIS life.
and let him know how much he now owes you for the amount you contributed to the car.