In investing bitcoin theres a lot of advantages s well as disadvantages that can get. The advantage rhat you can get in bitcoin is you can here it a huge of profit. In addition the price of it is not constant so that it has advantage that it will rise and your money or own bitcoin will rise but it is also consider as disadvantage because if it gets fall yor money will decrease too.
I think it is normal to lose or get a decrease on our money that is invested to the cryptocurrencies because even in the stock market, you will still lose money when the market goes down. It is all about the risk taking characteristic that you should implement to yourself and always try to improve yourself and that is how you will see that you are getting better and better each day.