In trading, you will eventually realize that what truly brings you down is not the market, but your own mental exhaustion. Are you like this too? Missed out, slapping your thigh; Stopped out, filled with regret; Earned less, feeling troubled; Lost money and self-doubting. The plan you set before the market opens, you forget it all once it starts. The most fatal flaw in trading is not poor skills, but emotional exhaustion. The market hasn't even moved, and you've already lost your composure. True experts have no excess emotions. Admit your mistakes, leave when it's time. No looking back, no predicting, no getting tangled up. If you can't control your heart, no matter how good your skills are, they won't save your account.