Just like with any investment & not just crypto, it’s not good to panic if the price dips because that’s when you make irrational decisions & might panic sell. In market downturns, it’s actually the best time to buy providing it’s a good coin. HODLING for a long time has proven to be a very good strategy & I assume will continue to be.
Fear in the heart of those individuals is common to those who don't have any knowledge but experienced investors will never have fear in their heart about their loss. If you carry your investment without any fear by keeping in mind that this drop in price is not a matter of concern then all the things will be fine.
Those who don't have time to see the market price on a regular basis should keep their investment for the longer term so in this way his fear will be less and his profit will be big.