" This automatic feedback is another reason extreme athletes have found flow so frequently, but what if we’re interested in pulling this trigger without help from the laws of physics? No mystery here. Tighten feedback loops. Put mechanisms in place so attention doesn’t have to wander. Ask for more input. How much input? Well, forget quarterly reviews. Think daily reviews. Studies have found that in professions with less direct feedback loops—stock analysis, psychiatry, and medicine—even the best get worse over time. "

― Steven Kotler , The Rise of Superman: Decoding the Science of Ultimate Human Performance