[He tries to sit to make it easier on D, and he's kind of wondering if he should stop him, but it's not like he asked him to do this, so he can't mind too much, right? Besides, it feels good. He has to keep telling himself this every few seconds so it doesn't get weird.]

I don't know about that. [Pushing himself too hard?? Gosh, he never does that. Following someone across the world and sleeping on streets is totally normal and not over the top at all.]

I'm always a little tense. [A little, he says.] Shouldn't you be the one who's tired? I wouldn't be able to do it. Running away like that...

[Thinking no one was on his side but two people... Dealing with his dead father... That's a lot to deal with, too. He's thinking about it now that he's deflected worries about himself.]