Why is the woman angry with her son?

M: You look furious, Mary. How come?
W: My son had an accident. He wasn’ t hurt, but my car was damaged.
M: But it wasn’t too bad.
W: Sure. But he is still taking driving lessons. He just ignored my warning.
M: He should have known better.

M: I’ ve just moved to my new house.
W: Really? How about the neighborhood?
M: It’ s nice. And there is a forest park nearby.
W: Are there any restaurants around? I mean if you want to eat out.
M: A great Chinese restaurant is just five minutes’ drive away.