Milk Fed by Melissa Broder 

Rachel is twenty-four, a lapsed Jew who has made calorie restriction her religion. By day, she maintains an illusion of existential control, by way of obsessive food rituals, while working as an underling at a Los Angeles talent management agency. At night, she pedals nowhere on the elliptical machine. Rachel is content to carry on subsisting—until her therapist encourages her to take a ninety-day communication detox from her mother, who raised her in the tradition of calorie counting…Read more.