with longterm psychology is more awake, because by trading longterm we don't have to monitor accounts at any time, so we are not affected by the momentary trend but pay more attention to the major trend. But doing longterm trading does require a large margin of resilience, if translated it means that our trading capital must also be large in order to deal with price movements that occur for a long time.
Psychology becomes calmer when capital is large and continues to make safe transactions, namely by discipline on good money management. With that condition, the trading psychology becomes stable and the other activities are not disturbed by forex trading that we do if indeed we are a part time trader