Traders lose a lot of money because they want to feel good.
The quest to feel good is why humans do things like drugs. But to make money trading you have to avoid wanting to feel good. Professional traders lose a lot; if I got a 40%-win rate, I lose more often than I win (obviously). But, if my entire quest revolves around feeling good, then I'm going to have a bad time.
I tell people to love the money more than you love the trade. If you love the trade,