How does Hinton’s use of repetition in chapters 10-11 develop the reader’s understanding of Ponyboy’s state of mind? Support your answer with evidence from these pages.

Eyes continue to feature prominently in these chapters. Although Soda is exhausted at the end of Chapter 10, "his dark eyes were still laughing and carefree and reckless;" that part of his personality cannot be conquered. As Ponyboy wonders about Bob Sheldon's personality for the first time, he considers what his eyes might have been like: "maybe brown, like Soda's, maybe dark-blue, like the Shepard boys'. Maybe he'd had black eyes. Like Johnny."