It always struck me that golf and trading were closely related in that in a golf tournament the person who wins is the one who makes the fewest catastrophic errors. And when they make those errors it is the person who manages their mental state afterwards who wins…
Professionals do enough deliberate practice to be capable of Making It Happen. We all get into Flow at times and it does just seem to happen. Deliberate practice and experience does seem to be key to high level performance.