It is about taking risks. But of course we are after for a better result. And whatever the result, good or bad, still you will learn from it. But at the moment, we should trust bitcoin.
You will always gain knowledge depending on your experience, there are a lot of newbies who are actually selling their coins at a very low amount when the value in the market decreases and it was a very bad idea because you will lose your profit when you panic selling. Losing of profit is the only way your going to be afraid of cryptocurrency so always react correctly on the situation to avoid losing all your investment.