The rules your parents teach you to live by are very different than the rules the world actually runs by. Most of the conventional wisdom is not only wrong, it's a lie told to us by people who want to control us. It doesn't help us, it helps them. Pretty much everything we're told as children (and adults, really) by the established power structures in our lives are made up fairytales us to reinforce that control: Santa Claus, the Easter Bunny, the tooth fairy, fat-free frozen dinners, religion, and metering lights on the highway--the list goes on