Losing is part of successfully trading. If you treat losing as part of trading then you are an experienced trader.
Trading is part of our bitcoin market and losing is one key to success. With losing they will know when we get wrong decision so that it will become lesson to our self. To make sure for trading they need experience, enough time and more knowledge about bitcoin. The more you have to know the more you can earn money. A successful trading will not always success sometimes it will bring in losing.
Trading is a business, loss and profit are part of business. But yes trading loss will teach lessons how to do trading. And every loss is one good lesson for traders. Once we become a pro in trading then if we lose money in trading we will not get fear. We can handle that situation. But for new comers, it is tough to deal with this situation they may get fear when they lose money in trading.