[Look, it's like them. Looking at himself and Catherine, he wouldn't be surprised if this could be a thing. He and Cortana feel a lot of things, where she and John don't.

So he just grins.]

It wouldn't surprise me, before arriving here I met one, she took me by surprise sometimes. [Okay good, he wasn't just imagining things.] I can as well, and I can see why she would feel those things. In a way I'd like to see them in action, just to see what they can do.