All because of a human quality. And if in everyday life they help in Forex, certainly in the way. The desire to earn more, greed and psychological factors play a cruel joke with the traders (especially beginners). Therefore, the rules and violated, deposits merge with or into that kind of drawdown out of which it is not. And only need to strictly follow their same strategy, nothing more is required. It is a pity that many do not understand. A beginner can be successful, it's really important to just keep yourself in hand and not to give vent to emotions.