The 4Rs can help you to stay calm and collected in anything you do, including golf, school, and at home. When things don't go your way, perform these steps in order...
Replay: Think about what did compared to what you wanted to do. If they match, store it in your memory. If not, visualize your action as if watching an instant replay on TV.
Relax: Take a deep breath with a slow exhale. This can help to slow your heart rate.
Ready: Form a plan to make a positive change for the next attempt.
Redo: Imagine yourself putting the positive change in place. What would it look like? Redo the attempt while focusing on the change.