You are actually very correct, long term holding sound simple on the paper but living through the volatility, especially during crashes or personal emergencies
Is Assumed that all investors is aware of the terms and conditions that is applied to bitcoin investment, you saying that is not that easy to live through the volatility means that you still have not gone through the terms and conditions. remember that whatever mistake that is made will not be considered as a result of not going through the terms and conditions but will be transferred to
curiositybeing too inquisitive to make profit from bitcoin investment.
However, in this aspect of emergency remember is advised to set up emergency funds and reserve funds in the process of accumulation. this would make you to stay focused in your accumulating journey, if you have your emergency fund and reserve funds available there is nothing to worry about. But you have to make sure that your emergency fund or reserve funds will be enough to face whatever emergency that may arise in the near future, as time goes by that's the More you will keep expanding it so that it will be enough to solve bigger problems that may result tempering your bitcoin holdings.