Happiness is one of the energies that we must have as humans in carrying out any life and in carrying out any activity. When we carry out an activity, in this case forex trading, we must be able to make a happy decision even if that decision is not very correct. The point here is that when you create a system and then you fail, you can't be angry. You still have to be happy. Why, because when you are happy, your motivation to be successful, your motivation to become a professional person, is still there, with a little change, with a little improvement, everything will run smoothly