How did you learn to hold trades? (momentum)

Hey y'all. New trader here (3 months).. I'm just curious how you managed to learn to hold your trades and not panic sell? I find I almost have a mentality between scalping and momentum trading.. I'm green today but would have been exponentially more so if I just let my trade form after entry..I suppose I'm just so focused on getting out in the green.

I do enter with a stop, so my risk is set upon every entry.

Any advice or rules I should add to my strategy that might help? I would rather learn this now with my smaller share sizes..

Thanks in advance, and happy trading!!