As an investor you should no that's market will not always be rossy all the time, that market moves against your entry point doesn't mean it will not come back or even move higher. It just like a friend that invested on Bitcoin when it was $28k and the the next day the market drop to $26k but he was very confident knowing the potential of Bitcoin that it will surely bounce back even go higher, it was not up to a week Bitcoin move back $28k even break to $30k so he collected his profits. That's how market works because if you always expect the market to always move according to your wish you might end up having heart attack.
The profit he accumulated was also too fast and too little if he didn't buy a lot, because today Bitcoin has passed the price of $ 31K which is much better for people who have bought at $ 28K. It looks like the market will continue to improve although not necessarily to one's liking, as a gradual increase is also good to watch and any investor will always enjoy this quite happily.
But those who are easier to sell in the short term when they see a little profit, I think it's not investors, but just ordinary traders who often take profits of any size. And that is of course very different from investors who prefer to take more profits in the long term.