New and/or struggling traders like to make trading a right or wrong endeavour. The moment they place their trade, they do it with an expectation to win, which naturally entails being disappointed if they lose.
A few years ago, I read a fascinating article about U.S soldiers who had been on multiple deployments to Iraq. What was special about those soldiers is that they got to a point where they could predict with amazing accuracy whether or not there was a bomb on the streets waiting to explode.
To succeed as a self-employed trader, you need two very distinct skill-sets: First, as a self-employed business owner. Second, as a professional trader.