[He doesn't respond to that immediately, nor does he move. He just sits there in silence, or as silent as it can be in a moving train.

Eventually though, he does speak. It feels like ages have passed by the time he does.]

...Can I hug you? Please? If you don't like it at all, I'll back off.

[He's not going to just jump Arthur. A little warning goes a long way, he's learned.]