By all means, anyone else would've flinched at Sasuke's sudden outburst. But Itachi was expecting it. Every movement, every inflection of his voice, even the way his teeth ground...he knew it would happen.

"You are not without your pre-occupations." he simply answers. Sasuke had things to do, too. And he was alive. And alright, as far as he saw. He didn't need to bother anyone else with medicine that he was...okay, without. So far.