Normally you only see this behavior from rice burners. Tell him he should go buy a civic so he could come up with more excuses when his vagina hurts and he'll never have to take his balls out of the glove box.
Tires are a pretty lame excuse. Sounds like Joe Dirt realized his mullet car isn't a space rock after all. (If you haven't seen the movie I just called it a hunk of $#!+ )