We are accustomed to repeating the cliché, and to believing, that 'our most precious resource is our children.' But we have plenty of children to go around, God knows, and as with Doritos, we can always make more. The true scarcity we face is practicing adults, of people who know how marginal, how fragile, how finite their lives and their stories and their ambitions really are but who find value in this knowledge, even a sense of strange comfort, because they know their condition is universal, is shared.