When I pointed to him his palms slipped slightly, leaving greasy sweat streaks on the wall, and he hooked his thumbs in his belt. A strange spasm shook him, as if he heard fingernails scrape slate, but as I gazed at him in wonder the tension slowly drained from his face. His lips parted into a timid smile, and our neighbor’s image blurred with my sudden tears. “Hey, Boo,” I said. “Mr. Arthur, honey,” said Atticus, gently correcting me. “Jean Louise, this is Mr. Arthur Radley. I believe he already knows you.