A drunk man walks into the bedroom and oblivious to his wife and her lover goes to bed. After a while he wakes up, looks down and sees 6 feet. He asks his wife: There must be 4 feet.
Why am I seeina 6 feet? His wife says: no you are wrong. Get out of bed and look again. Husband does it and says: “oh you are right honey. There are 4 feet.” Then goes back to bed and sleeps.