[Shakes his head and he doesn't trust his own voice at ALL right now, but he tries, feeling the wave of worry over Shiro and not wanting him to be concerned. He tries to push as much of the tension out as he can, to be less wound up, and only mildly manages it.]
I'm okay. It's... [It's good, and that's the problem, definitely.] It's okay.
[Stupidly, he wants it just as much, whatever he can get.]