The father-in-law answers:

A guy goes with his lover to a hotel and when he sees his father-in-law's car parked and says:
 "Look at my father-in-law, the bastard!
I do not know who you're going to fuck with, but I'm gonna fuck you.


He approaches the car and steals the stereo.
When the guy leaves the hotel, he goes to his father-in-law's house to visit him.
As usual he was very angry and asked,
"What happens to you father-in-law, I see you in such a bad mood?
The father-in-law answers:
- What's wrong with me?
Pregtintale to the idiot of woman, to lend the car for it to mass and stole the stereo.