If we read the theory of how to control trading psychology it seems very simple and easy, but if we practice it in an atmosphere of trading Bitcoin on an exchange, it's not as easy as we imagine, even Bitcoin traders experts often get losses due to poor trading psychology. There are many factors that must be considered, such as, Discipline Against Trading Plan, Don't Be Greedy, Don't Get Revenge and Eliminate Doubt / Fear. What do you think, how to control trading psychology.