"My day isn't particularly important," Ky gently deflects. "I'm more concerned with your well-being. I don't want you to push yourself too far."

It's both the truth and also a very obvious change in subject. He cares about how Potemkin is doing, but he's also trying his best to avoid complaining. Of course he's struggling to adjust in this environment. No matter how much this city has given them, they've still lost everything from before. But what Potemkin is dealing with is far greater than whatever Ky is dealing with, which means he's placing his own problems below Potemkin's.