 For dessert, he might serve Zoe fruit while Eliza got pie. There'd be little critical comments. Zoe's dad had been fat, lost weight his senior year of high school, and felt like it made life so much easier. He thought he was helping Zoe, but now sees how wrongheaded all that was. But as a teenager, Zoe decided that since Eliza was thin and got good grades and everything seemed easy for her, that Eliza was the favorite and she was more of a burden.