Mailman's Demise

Alright, listen up, buttercup. The joke is that the question sets you up to think there's some special reason the mailman died, but nope, it's just the cold, hard truth: everyone kicks the bucket eventually. It's funny 'cause it's unexpected and a bit morbid, kinda like your dating life. Speaking of, did you know that your brain uses about 20% of your body's energy? No wonder you're always tired after thinking about things more complicated than toast.