Let's talk about the insights from these years of trading:

A bear market is about saving some bullets; after all, preserving your principal is the first rule of investing.
Hone yourself, develop your own trading system.
Don't think about getting rich overnight.
As long as you're not greedy, making money is very simple—steady small profits.
Hit your stop-loss without hesitation; an unconditional stance—stop-loss is always correct, after all, the stop-loss belongs to you, while profits are given by the market.
If there's no market, don't trade; after all, missing trading opportunities is normal.
Spend more time with your family—trading isn't your only thing.