At school, a boy was told by a classmate that most adults are hiding at least one dark secret, and that makes it very easy to blackmail them by saying, “I know the whole truth!” the boy goes home, and as he is greeted by his mother he says, “I know the whole truth” His mother hand him $500 and says, “ Just don’t tell your dad” Pleased, the boy wait for his father to get home and says, “I know the whole truth” the father hands him $1000 and says, “Pleases don’t say a word to your mother” Very Pleased, the boy on his way back home from school saw the mailman at the front of their door and says “I know the whole truth” The mailman drops his mail, open his arms, and says “then why don’t you give your father a big hug!”