Stop in for a cup of coffee

Annoyed?
Kid demolished second rear diff in his chevy. Blames it on his big tires,not his driving habit that i suggested. Buys the cheapest diff on marketplace, almost blown up.
Early in our conversations i gave him contact info for a guy that parts out those specific trucks. He refuses to call him.
Now hes all pissed off that to fix the pos he bought needs $700 in parts. Hes driving wifes car, i need it to bring mom home on friday. Daughters car needs water pump, timing belt,and both serpentine belts. Big job. No time.