Actually, if there is no mentality to learn from our mistakes then it is difficult to be served in forex because in forex we have to make mistakes and there is a very high possibility to do it again. so it is necessary to learn from our mistakes and must prepare ourselves to take losses as well because it is part of forex and that must happen if we trade. so with a positive attitude we must realize our losses and that is true, you must have control over your emotions. You cannot have control over price movements but these emotions will come within you. If you will not control them, then you cannot blame the market for your losses.