A 11-year-old Child Walks In On His Parents...

having sex and his father stops and sees his son with a worried face. The father says to the son while nervously laughing, "Don't worry, it's ok, I just love your mom, go to bed now." The son then goes into his grandmother's room. The father then searches for his son and finds him trying to have sex with his grandmother, who is still dead asleep. The son looks up to his father's horrified face and says, "It's not so funny when it is your mother, is it?"