One of the key to learning of any skill is your capacity to visualize yourself using that skill. Another if becoming excellent in any sports your capacity to view yourself taking part in that particular sport.
One of the keys physical fitness is your capacity to see yourself with kind of body that you would have when you are thin, trim and fit. An important aspect of self certainty is your capacity to see yourself again and again performig with in an essential area of your life you have chosen for yourelf.