Controlling emotion in daily activities is an easy task, but when it related to wealth or money, i think most of people will blind and follow their lustness. So controlling emotion on trading needs much experience of tradings and need much experienced of losses so they can feel the lost and feel the pain. If they never feel the pain of losing opportunity to get profits they will not able to control emotion because they always want more and hoping their coin can go up further
Experience is still the best teacher to everyone of us, beginner in trading may sometimes lose hope, and cannot control themselves, but as you continue to practice trading everyday, you will have the confidence and little by little you will learn how to control your emotion, there's no instant on it, but as time is passing by you will eventually overcome it. Just continue your path and passion to do trading, there is no magic, in time you will be a successful trader just don't give up.