I feel that Nothingtodo invest in bitcoin in the wrong way and that has made him to sell his bitcoin at loss just for celebration. A long-term bitcoin investor must have a proper plan on how to invest on a long term bitcoin accumulation journey with consistent and persistent weekly DCA buying. He needs to also find a way to increase his income so that he can have a good financial strength in order to take care of whatever needs that arises without touching his bitcoin investment.
Emergency funds, reserve funds are also important for you not to sell your ongoing bitcoin investment when it's not of your own will. Our main priority is to keep focus on increasing your bitcoin investment overtime to your target for the future and not reducing the size of what you are accumulating.
The moment the idea of you selling off your coins gets to your head, it's probably going to end badly since you can't because as an investor who plans on holding for long, selling your Bitcoin should be the least thought but that would be inevitable if you have failed to set up or follow the basics necessity that would guide you to avoid making such errors.