In 1 Corinthians 13:11, what did Paul set aside when he became a man?

Answer: Childish ways

"When I was a child, I talked like a child... When I became a man, I set aside childish ways" (KJV: "put away childish things").

“When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I set aside childish ways.”— 1 Corinthians 13:11 (BSB)