If we listen to him, we are in trouble. You cannot rely upon emotion in a long and grueling match. Every shot is a pressure shot. And the way you feel about yourself will reflect your success or failure. The biggest distraction in any sport is fear.
Commitment brings desire and focus.
These are diminished by fear. If you think you will miss, you will miss. A single thought will divert the arrow from its course. When you think about the end results, such as the finals, or who you are going to play next, you have cast your mind into the future. It is difficult to function in the present when you are not there.