Think outside the box. Sometimes the little things can say a lot.
How about in order of what will kill you first: Air, Water, Ability
to pee, Sleep, Food, Ability to poo. That was surprisingly
Alright, on the off chance you're into physics at all, here's the
nerdiest answer possible I think: Up and down quarks, electrons,
photons, gluons and the Higgs boson (If you think we can't live
without neutrinos or W bosons let me know why :)
More 'normal' answer for the normal people out there: Fajitas, bass
guitar, sexy times :0, good music, dark chocolate and fresh air.