He looked at Mia quickly, and then looked away. His eyes were threatening to water again, and he did not want her to see him cry. "You don't know that. This is cancer we're talking about. It's not allergies, you know." Okay, so his voice was coming off a little condescending, but he didn't mean to at all. It was mostly him trying to convince himself that he was upset for a reason, and not blowing everything out of proportion.