A man is having sex with his wife. Then, their son walks in on them, and the son screams and runs away. So, the man says to the wife "I better have the talk with him", sighs, puts on his clothes, and goes to the son's room. Then, he walks in to the son nailing his grandma! The dad screams "what the hell!" and then the boy says " Yah, not so funny when it's your mom!"