To achieve truly consistent profitability, one must start from both "mental structure" and "market structure," understanding the rhythm of the market and controlling one's reactions. This article focuses on analyzing mental structure—how to control one's reactions? Why do most traders keep investing and learning yet repeatedly fall into the same mistakes? Why do traders get trapped in cycles of "overtrading" and "revenge trading," especially that intense urge of "I must win it back"? 1. Root of the Problem The real root of trading failure is "brain mismatch": You're using a primitive brain designed for "survival"...