Living the past is a dull and lonely business; looking back strains the neck muscles, causing you to bump into people not going your way.
I love chicken. I would eat chicken fingers on Thanksgiving if it were socially acceptable.
Nobody taught Picasso how to paint - he learned for himself. And nobody can teach you to be a producer. You can learn the mechanics, but you can't learn what's right about a script or a director or an actor. That comes from instinct and intuition. It comes from inside you.