The boy is reading a book when the old man approaches him based on "The Alchemist" story by Paulo Coelho. The old man approaches Santiago and questions him about the book that Santiago is reading. Santiago did not want to answer the question at first, but the old man relentlessly questions him about the book.
Answer:
bitter/rebellious
Explanation:
ponyboy and the other greasers were bitter that the socs had more wealth and overall better life.