[Jae-Ha is quiet for a long moment, not sure how to reply to this kindness. He's touched, but he knows expressing this always seems to upset Mephisto, so he's not sure he wants to do that anyway. Instead, he blinks over at him in a quietly surprised sort of way and decides to say something else.]

Try not to let Yona dear find out I'm this bad, or she'll worry endlessly. [Yes, there we go. Changing the subject.] But I should be fine, so thank you, but you won't have to bother...

[He says this, but as he tries to push himself up to a sitting position in the bed, his arm shakes and can't support his weight, and he's leaning to that side to sneeze harshly a moment later. Ah.]