“She had come to understand that American parenting was a juggling of anxieties, and that it came with having too much food: a sated belly gave Americans time to worry that their child might have a rare disease that they had just read about, made them think they had the right to protect their child from disappointment and want and failure. A sated belly gave Americans the luxury of praising themselves for being good parents, as if caring for one's child was the exception rather than the rule.”