Lately, while watching the market, I drew a few lines on the candlestick chart as waveforms. The more I look, the more I feel that stop-losses are really like breakups: dragging it out without admitting fault, and in the end, it's not "it'll come back after a while," but interest plus emotions taking over. No matter how the model hints that "the rhythm has changed," people still want to take a gamble, resulting in turning small controllable losses into big holes. Outside, there's also chatter about ETF capital flows, saying that once U.S. stock risk appetite shifts, cryptocurrencies follow suit... It sounds quite reasonable, but honestly, it's just an explanation. When your account shows floating losses, anyone can become stubborn. Last night, my mom asked me, "Aren't you good at backtesting? Why don't you make money every time?" I just replied: backtesting can only control your hands, not the market. First, cut off the wrong trades and sleep more peacefully.