Don't panic too much about what happened to BTC, because I think all stocks are falling economically and will surely improve slowly. Just like BTC, which corrects its price until it completely recovers and returns to normal as usual. So keep an eye on the movement of BTC but if you invest long term, sit back and enjoy the flow of the movement, everything will be fine in the future. 
What do you understand by "normal as usual"?
With the volatility BTC has I don't know what you mean. In the long term the trend is clearly up but we conceive the cycles as similar, the normal thing is that until after the next halving the price won't go up much.