Caleb's quiet while he sorts through the feelings Daniel's giving off. Feeling someone's nostalgia is always a little weird for him. It's like getting an insight into a part of them he has no right to, and even though Daniel knows about his empaty, it doesn't make it feel less like an intrusion. It's different from sadness, different from happiness, but somehow both. It's not something people carry on their faces.

It's only belatedly that he realizes he hasn't answered him, so after a moment he clears his throat.

"Jesus, six miles. That's pretty impressive."