Wow, Florence Nightingale. Eventually she will remember why she married you. I don't envy the two of you having the difficult son this early in the game. People used to console me while mine was growing up by saying that they grow out of that stage. And he did, at about his 24th birthday. The future Mrs. X will have to come up with a better solution than hiding in the car.

Unfortunately, she is in the unenviable role of substitute parent. It's a lot like substitute teacher. The kids, or in this case, kid, doesn't think he has to listen to the sub. The sub has no authority.