[Kuzuryuu unwraps his own sandwich, waving a hand dismissively.]

Eh, nothing to apologize for. So long as we don't stray back to it, it's fine. I think we've pretty much exhausted that topic for now, after all...

[There just doesn't seem to be much point in rehashing the same points over and over again without new info to add to them. He takes a bite of sandwich, chewing it thoughtfully for a moment before asking:]

So how're things going at the school? What do you teach over there, anyway?

[In both his conversations with Peko and Trucy about the subject of Hinata's job in the colony, somehow that detail never came up... He's kind of curious. And it's not like they have anything super important to talk about right now or anything.]