Anything that activates the joy center in the brain makes you happy, and therefore protects you. Oddly enough, that's what they do in 'Harry Potter': The nurse gives the kids chocolates when they've been near the Dementors! ↗
Some of my other heroes around that time were, oddly enough, Frank Sinatra, Nat Cole and people like that - I was always more inclined to listen to ballads. ↗
Humor is perhaps a sense of intellectual perspective: an awareness that some things are really important, others not; and that the two kinds are most oddly jumbled in everyday affairs. ↗