Knowledge brings needed resolve to continue to hodl appropriately and not drop your bags on the get-go.
Fluctuations are normal, dips and corrections - too.
They are part of the process
It’s not bad also to partially take profit and re-invest later on as part of rewarding yourself so that you will not think on your investment most of the time especially when the price is increasing.
Because once you start tempering with your holdings especially if you are still in your accumulation stage, you are no longer an investor but a trader, and by doing so, do not be surprised that you will start doing it more often which is a terrible way to build up your unit of Bitcoin to a level that can change your financial history in the future, so the what I can say to you about that is that don't fall to such temptation, just hold, in the future you will be glad that you didn't fall to such temptation of selling for small gains that will not do much difference on your finances.