It is common that in your Demo account you get such high profits and without any setback because it is designed for that same, with it you will learn a bit about the market so you can make favorable transactions with your Real account but you should only take it as a practice because almost everything will come out but in the market there will be many factors that can influence your operations with constancy and checking them every time can also damage your operations, I recommend that you place a Stop Loss if you are very concerned about the losses and let the operation take place for a while with normal and uninterrupted.