How old is too old to trick or treat? The answer is more complicated than it sounds.

Halloween night, around 9 o’clock. Perhaps even later. The wind whips, the branches wave. The candy bowl is empty. The doorbell has not rung for 90 minutes.
And then… DING DONG!
What infernal hell hath befallen us? Your spine stiffens and your blood runs cold. But you know the truth. The real Witching Hour has arrived. There’s a persistent second doorbell, followed by irritated mumbling through the walls — Dude, I saw a guy in the window, they’re home. … You