Staying Fat for Sarah Byrnes, written by Chris Crutcher, is about being an outcast, friendship, and standing up for what's right. The main character Eric, or Moby, whose best friend is Sarah Byrnes, finds himself going through a series of events filled with dark secrets, violence, betrayal and much more. In the book, these two best friends learn that friendship and sacrifice are essential to finding each other. The reason Moby and Sarah Byrnes are such good friends is because they were both outcasts. They both considered themselves ugly. Eric was overweight and had low self-esteem, earning him the nickname Moby, and Sarah Byrnes had scars all over her face and hands from spilling hot spaghetti. But as they progressed through high school, Moby began swimming, making him leaner and slimmer. As a result, Sarah Byrnes was afraid he would become skinny and popular and leave her behind. However, she was completely wrong, Moby was trying to stay fat for her. He would eat so much that even Sarah would say, this shows that Sarah is worried about Moby's health. This too ...