[Katsuki gives him a nod and the slightest flash, barely a spark, of a grin. Just a tiny lift of the lips on his right side.

He wraps the rope around his bum arm (boy he really did a number on it) and then grips it firmly with his left. With how much force the other kid put into his pull and how much the elevator moved, he has a pretty good guess how hard it will be to get up there. They absolutely can do it. He gives the other kid an encouraging nod.]

Yeah. Just like that. On the count of three, pull as hard as you can. We're gonna blow this popsicle stand and get all the way up there in just a few pulls! Come on-!

[He starts counting down!]