To Bella, the dance presents a perfect opportunity to strengthen her relationship with Jessica (by insisting Mike go with her) and get rid of her other suitors. In this way, she can manipulate her peers so she feels more comfortable in Forks. Then, as she thinks about Edward, it becomes clear that Bella is starting to fall for him—describing him as “perfect” and “beautiful” shows that she’s drawn in by his physical attributes. The mystery he presents just makes him all the more attractive.