The biggest enemy of trading is never the market, but oneself. Greed makes you chase highs, fear makes you cut losses, and hesitation makes you miss opportunities. Truly excellent traders are often not the ones with the strongest technical skills, but those with the most stable emotions. Establishing a disciplined trading system can effectively reduce emotional interference. For example, after setting stop-loss and take-profit levels, one must execute them firmly without changing the strategy due to temporary fluctuations. Controlling emotions is the prerequisite for long-term profit. Have you ever let emotions influence your trading decisions? How did you cope with it?