Even at their age, Liesl and Wolfie already knew to laugh along with their parents; they knew that life didn’t work like that, that danger wasn’t behind every single door but the random twenty-third and fifty-sixth doors—that danger was the rarity and not the condition, which was what made it so scary. They understood, even at their age, that danger was dangerous because it was unpredictable; you couldn’t game it like this.
