You are right that the optimal level of fear is good for the trader because it will keep the trader away from trading when he is unsure or positive about trading and afraid of losing the trade that will exist but more fear is not good because it might keep the trader from trading at the right time and fear maybe get us out of some trade in forex trading and avoid losses, but in the long run, it is more dangerous than good for a forex trader. The aspirations of trade are great. Fear is bad and must be controlled.