C.S. Lewis wrote in The Screwtape Letters that there are two types of gluttony: one of much, and one of little. Modern versions of gluttony amongst sophisticated people, he argued, are often characterized by close attention to diet and an insistence on less of one thing or another—even when it puts other people at an inconvenience. Such a person is wholly enslaved to sensuality, but doesn’t realize it because “the quantities involved are small.” (Or local/artisan/organic?) Yet “what do quantities matter, provided we can use a human belly and palate to produce querulousness, impatience, uncharitableness, and self-concern?”