The time I started trading cryptocurrency , it's really difficult to control emotions and always there is regrets once I sold at a lower price and suddenly the price goes up drastically. But after I understand how trading and investing works I slowly manage my emotions and focus on the market movement to avoid unexpected loses. Trading and investing is full of risk but it is also our key to gain huge profit. Become a good investors just need patience, and self discipline including on how to control and manage our emotions.