"I don't have a concussion. Well, if I do have a concussion, I got it before I left the hospital. Before I went into the hospital. Why are you looking up my nose-- It's not bleeding."

Yes, he did just ask and answer his own question, even as he tilts his head back enough for her to gaze upon his nostrils. "Can a person be negative okay? I'm not sure that's how the definition works."