All of four factors can combine in a single word, emotion. When you let your emotion control and decide, that make your deadly mistake. To avoid that, one of the things that professional traders do to ensure discipline during these trying times is to plan out their approach. As traders, there isn’t just one way of being profitable. There are many strategies, and approaches that can help traders accomplish their goals. But whatever is going to work for that person is often going to be a defined and systematic approach, try to pull yourself.