...setting up systems that help you to not get overly emotional about BTC price moves in one direction or another, even though we likely cannot completely take emotion out o f the equation, there are still ways to lessen the likelihood of high emotional levels.
In as much as we can't write off emotions from the equation, it's better to be more incline with buying more of bitcoin which you equally mentioned as longing bitcoin rather than complicating things with some ideas of selling to buy back at a cheaper price which is mostly where guys fall of the ladder of holding or stacking up their portfolio. Hence it's more of a good idea to first balance once financial situation, having put in place debt and other funds that will help the sailing through of bitcoin investment along the long term intentions.