The way my cousin was staring at the candlestick chart that day, her eyes were bloodshot like she hadn’t slept for three days. Suddenly, with a loud "crack," her phone hit the ground, the screen shattering like a spider web. She collapsed to the floor, her voice trembling: "It’s over, I’ve lost everything..."

The atmosphere at home was suffocatingly tense for days. She used to love singing, but now she locked herself in her room, refusing to eat or drink. When I brought her meals, she wouldn't even open the door. After nearly ten years of trading analysis, I’ve seen this scene too many times—one moment people are showing off profit screenshots in chat groups, the next they’ve vanished without a trace. Back then, I thought, once she recovered, I’d make sure she stayed far away from this market.

Who could’ve guessed that two months later, she’d hand me her phone. I glanced at the balance—damn, six figures?! Not only did she make up the 300,000+ hole, she’d even earned tens of thousands more. I was stunned: "Did you win the lottery?"

She shook her head with a bitter smile. There’s no such thing as luck—it was all hard lessons paid for with real money. This comeback relied on a few iron rules—the same ones I always tell beginners: in this game, survival always comes first.

**Rule #1: Never bet your entire net worth, invest no more than a quarter at a time**

My cousin used to be a classic all-in player. Whenever she saw some hot news, she’d go all-in without a second thought. If it went up, she’d get cocky, thinking she was on the verge of financial freedom; if it went down, she’d play dead, hoping for a rebound. That time she got liquidated, it was because she saw news about a certain coin taking off and went all-in. In three days, it crashed by 40%. She didn’t even have time to get out—her principal was wiped out.

Now, she’s gotten a lot smarter.