I wouldn't want you to do that, Katsuki. You've got enough to worry about.

[ Yuji's aware of enough of Katsuki's world to know they both have too much to deal with. They're just teenagers, but they're teenagers thrust into a world in which they can barely muster the strength to keep going sometimes. They're the ones that have to save their worlds, no matter what the cost might be to them personally.

It's hard not to draw the comparison to being a cog.

Sighing softly, he closes his eyes, tilting his head into the mat and gritting his teeth. ]

I didn't know you talked to Nanamin about that kind of stuff.