My lesson is that I act coolly on certain tactics, and I recommend you to develop it, do not read the first news and do not get into the power of panic, because most of the actions in the market appear only because of panic.
Many lessons can be taken from the crypto market, including patience in HODL which will bring benefits. Then the analysis of various major state policies that can bring about the impact of crypto prices will increase or decrease. It all makes it smarter to make decisions. Because the final goal is profit.