Me too, my luck also is very bad on trading in crypto

sometimes i decide that i want to sell my token/coin because the price is pumping but after changed my mind to not sell it, then after many hours the price goes down again that's why i regret always because i'm hesitating that i might not get big profit for selling it early because i'm thinking too that the price will still go high but it's not. Everytime the Coin/Token that i have right now is pumping, i'm scared to sell it, might go higher price more than i sold the current price.