Fear does not let us think logically. That's why traders close trade and then it went in their favour. Fear comes when we not know what we are doing and why doing.Yes, the loss is part of forex trading, so it not good if trader fears to lose money, I mean these fear is too fear, but placed fear in the right way, based on knowledge and experience, so if likely the market not supporting order, cut loss might better than wait in uncertainty market condition.