Track & record all shots (Distance, Flight, Proximity to Hole, Trends, Course/Conditions Played). Detailed statistics is essential. Doesn't matter if on paper, app or digital, such as Accros, Shot ScopeV2 or similar shot tracker devices. Understanding your weaknesses & trends (ego, fitness, mental focus) can help you tremendously. Concentrate on improving your weak links in your game. I even check my daily bio-rhythm app before playing. Keeping statistics will also keep you better focus throughout the round. Good course management is the key. Check out this link... https://break-80/how