What are some ways that Saul’s brother has changed?

Benjamin was sickly, smaller, and trembling

I stood by his side while he chewed. He was different. Not only in size. There was a wariness in his eyes and a hardness to the set of his chin. His hands shook some when he tore off bits of the bannock. “Saul,” he’d greeted me, nodding firmly. It was odd to see the expressions of a grown man on a boy’s face. Then he coughed. The cough racked him, and he bent forward. ch 5