"It's not your fault," he responded automatically.

And then he second-guessed what he said. Wasn't this the kid who also woke him up in the middle of the night acting weird? Yzak thought it might have had to do with the rage virus that had hit a number of people. Still, he didn't want to just assume anything-- and he had a feeling asking if that was a literal sorry might hit a sore spot. Though the quick fluctuation of expressions across his face might hint at his thoughts.