Like washburn said, when a chick does something they know is going to piss you off they try to smile because they feel it might downplay the situtation.
I really dont know why alot of people are getting all critical on this guy with threats... Both of them are at fault, if he spent all this money on his motor and didn't have the common sense to seal his exhaust off he is definetely not very bright himself. Sounds like they were probably a perfect match to me. XD