Based on that thought, that anything can happen anywhere at anytime, I've adopted a philosophy about life (since very young), to live and enjoy everyday of my life to the max, as if it was my last day, in good and bad situations, because once your caught in a catastrophe of that magnitude, wether, natural disaster, war, epidemics etc. they're very little options on what to do, but to survive if you're able to do so.
(on a lighter note): And if given enough time and it's my day to go, pull down my pants, kiss my own behind and say goodbye!