Connor tenses, ready to lash out at being touched again. But he knows better than to strike his friend. Carson's only trying to help, after all. But he doesn't have to be happy about it, damnit.

He gives him a look, "Don't fuckin' tell me t'calm down. Yer not th'one who was just turned into a human guinea pig." Wait... he's not sure what he means by 'mouse retrovirus' but... "workin'? What is?"