First before i bought my first bitcoin, i first of all build a good understand of the market and how bitcoin volatility works, and also learned about the effect of external forces in determining the price of Bitcoin such as exchange crisis and other governmental policies that can have short time effect on bitcoin.
You did a good thing before starting, with a basic understanding at least it makes you at least understand all the aspects needed because if you learn more then you will have the knowledge and judgment that you think is good to do it on the other hand some the effects of other news also often affect the price of bitcoin including from government policies and other famous people.
Secondly i have learned never to panic during any crisis time or when the bitcoin price drop significantly because in the near future it will increase in value again, and also to hold an amount i can afford to look away from for a long time.
This and many more is the reason behind my current confidence in Bitcoin's ability never to let me lose if I hold for a long time.
Bitcoin always has a good cycle if you are only investing for the long term then don't panic all the negative news that leads to bitcoin will quickly pass, and with your faith I think you can do that especially you already know when bitcoin goes down then it will up again someday, I with us holding on longer then we ourselves will be the winners.
At first, it was difficult to overcome panic, but believe me, if you understand everything related to bitcoin, then you will understand how not to panic, let alone sell your bitcoins in the middle of the road.