"Not used to uh... hot tea." He gestures vaguely. "Never saw it in Rapture, and... in Kansas we had it cold, with sugar. And... the coffee in Rapture's got Eve in it. So it helps with... Plasmid stuff."

He really hasn't explained much about Plasmids, but it's better that she doesn't have to know too much. The gritty details are honestly enough to make him sick.