Hiei takes the opportunity to zone out a little, tuning in to Kurama's physical form more than paying attention to the conversation at hand. He doesn't need the explanation after all, and if there is some way he can assist in Kurama going back to some form of normal.. he's sure the fox would let him know. Hiei is a simple being, after all, and particularly now.

Most of what he wants is a nap, which has evaded him for much of their time spent here in the woods.

"I told you to go away." ... He could not let that one go, of course. Not when this entire encounter had started with him telling Scott to turn back around. Why do people never listen to him? Particularly when he's acting fishy as hell? Still, the idea of protecting the crops isn't all that bad, if a bit below what Kurama is fully capable of, but this is not his to comment on.

.. Other than when he inevitably questions Kurama about going in to town.

"Could you assist from here, Kurama? I'm thinking it's too far, but I don't want to assume too much."