He nudges the heel of his foot against the carpeted floor, getting easily stuck on the threading of polypropylene, wool, whatever it is that stitches it together. Things may look the same, but they can be different. All similar on the outside, but nothing alike, deep down.

Huh.

"I'm not--human. Not really," he says when he finally speaks, an effort that takes time. "I mean...I am, but in the end, I exist 'cause a people made me and the rest of where I'm from. That's why I disappear." As little as that actually explains. "Without them, or...whatever it is the train's doing, I'll disappear."

And that--as they say--is that, right. He doesn't need to say anything more, but in the instance he goes quiet, he realises, and quickly-

"I already knew." Before there's any mistake. "I was supposed to go before I got here. I made my decision. ...I don't need sympathy."

Because it's the last that he wants. It's the last he deserves, despite the lower note that he adds it on.