Doc does take the time to interact with the children and he does so, almost sad when they're gone, but he's got more than enough good memories of the day to fill his head and keep with him.

Once they are gone, however, he leans back slightly in her chair and looks at her, smile on his face.

"You have a wonderful class of students, Miss Katherine," he says quietly, setting the pen down and glancing at the characters on the page a brief moment. "A very inquisitive bunch, but they really are a smart group."