When you're in your 20s, you don't care what people think.When you're in your 30s, you start caring too much.When you're in your 40s, you realize the great truth.No one was ever thinking about you at all.Brian Tracy spent 45 minutes explaining why most people stay stuck:"Human beings will keep doing what they've always done. They will get into a rut which we call a comfort zone.""They will keep on with habits that are not serving their best interest. Keep doing things that no longer make them ha