[His first reaction is a small, sympathetic chuckle. He can't help it; after all, he'd just done the same with her, asking about the very windmill she's gesturing at. And it's not the first time, either; no matter how long ago it was, he can remember asking Serah and even Snow about plenty of things they had mentioned.]

That's how I've been feeling, too. Sort of. My world was pretty small, so there's plenty of stuff I just don't know about. When I started traveling, I thought I'd seen it all. Stuff like this? [He nods up at the windmill.] Reminds me I've got a lot more to learn.