Constant low-grade terror of it becoming serious while acting like nothing's wrong, and on the high of his limited competence and then someone needs... bleeding stopped or something and he writes his number on the wall in skin oil so Aaron can write him instructions. And it's fine in the end but super harrowing and Jules just kind of... collapses when it's done.

Get an echo for how Yuuya runs the infirmary when Shuu is out and everyone scared of Shuu (everyone with sense) comes there then. ...or the echo is the ability to do that.