The document provides information for aspiring high performance golfers, including that it takes around 10 years or 10,000 hours of deliberate practice to reach an international level of performance. It emphasizes the importance of self-management, effective practice strategies like practicing shots that simulate actual playing conditions, focusing on weaknesses until they become strengths, and keeping mental focus on the course. The document also stresses practicing the short game more than the long game, as many elite players separate themselves inside of 50 yards.