As a trader or a gambler if you don't learn to accept your loses you will keep losing, some traders have lost huge amount of money they won't have lost if they had accepted there lose and move on.
In fact, traders and gamblers indirectly understand the concept of profit and loss, winning and losing. If they aren't prepared for the potential outcomes, it's best not to try.
As many people say, never try trading if you're not ready. You'll only treat trading like gambling if you're not prepared. This is common for beginners; some learn from losses and mistakes and then move on to improve. Others become frustrated and give up trading despite experiencing losses.