That's him, what else could those bird eyes mean.

"No, I suppose you don't." Hershel answered with a touch of amusement before going serious again. "Do you think you could teach me what you know? Whenever people are hurt I really don't have the slightest idea of what to do and if I'd make it worse. With the way things are going I can't imagine it won't be useful to know a little more regardless."