"Oh," Robin responded to that, completely pointlessly, he acknowledged to himself. He was, unusually, completely stuck on what he might say. Standing in front of him was the man whom he'd heard stories about when he was a small boy. Thornton had been telling him tales of King Arthur and his Knights of Camelot from as early as Robin could recall.
Heather, Elena, and others had spoken to him about how exciting it was to meet a hero of their own, to meet him, who previously they had only known as as someone in a story, but that had not fully conveyed to him how it felt. Now he understood a little better.
"Sorry," he said to Arthur around a chuckle. "My housekeeper told me stories of you, and Camelot, when I was a child."