Keep calm if your coin holdings are falling. I can understand this feeling but do not worry too much as the crypto market will rise again as the bitcoin heat drops and investors around the world are more interested in crypto in 2018.
We should make a deep research and continue educating ourselves so we will not be easily disappointed when things turns against us in trading.
That's normal that we have some tough times but instead of feeling down, let's consider everything a learning experience and stay positive because that is the only way to succeed in trading, keep developing and you shall be consistent in the future.