It is hard to teach positive thinking, but everyone can act to overcome jitters . A dress rehearsal on the practice tee of envisioning being on the first tee and the shot you are about to hit will help. Do it several times. Chewing gum may also relax you. Look how many greats chew gum. Just before you hit any shot, show a little smile or grin. You’d be surprised how these two extra tips will help. There is no room for any negative thoughts to enter your train of thought or you will get nervous. Fear of failure always ends poorly.