Nothing to be afraid of if you really have faith in btc although feeling that is normal but don't let your feeling make a wrong decision. If there's a fall what I always put on my mind is the price will goes back again no matter what.
Well in my opinion, no one should be afraid of the market for the market is something to be observed and as long as you are having perfect market information, you are safe in the market. It is only harmful for those who are in the market for business with incomplete knowledge. Besides, we have a rising trend in the values of Bitcoin and this is the time the wise investors try to own as much coins as they can.