It's difficult giving someone a point of reference when they're coming outside of anything you have to refer to. It's also a reminder that there is more beyond the world he knows, maybe a place to finally be free.

The response from the Doctor feels like he's dodging the question, but Felwinter knows what it's like to want to keep secrets. "Likely the same," he says in turn, figuring it's only fair before clarifying, "-not something you've heard of." Telling enough in itself, perhaps, but if a man can look like a human and not be from Earth, then why not someone from Earth be not quite human?