A father and son are walking down the street together when they happen upon a dead bird. The son asks his father whats wrong with the bird. "Well son, that bird has died." replied the dad. Son asks, "why is he lying on his back with his feet in the air?" The old man, being quick witted explains that it is so God and come and pick him up by his feet and take him to Heaven. The son's face goes white upon hearing this. Dad asks whats wrong. The boy says "Thank God for the mailman." What do you mean?" asks dad."Well, yesterday I walked into your room and mom was lying on her back with her feet in the air saying 'OH GOD I'M cumming, I'm cumming' and if it wasn't for the mailman holding her down..."