[He offers a slight smile, and crouches down a little, so he's looking up at the boy - he's obviously suspicious, afraid, and Tenma doesn't blame him. It reminds him of Dieter, when he'd first met him. The thought warms him a little, and his smile goes from simply tired to more genuine.]

You're right about that.

[He pauses for a moment, studying the boy's face.]

I'm a doctor. I stay here in case anyone is too disoriented to take care of themselves in the morning. I have food and water if you need them.