Cain smiled happilly, nodding towards the bed. "Please sit down on the bed and make yourself comfortable, then. Perhaps you should change your clothes? I don't think it will be comfortable for you to sleep like that." He could always ask the closet for clothes that would fit Riff, as well as--
...
The closet.
It was supposed to give him whatever he wished for, wasn't it? Perhaps... if he wished hard enough...? Perhaps he could have the antidote for Riff's illness! Cain tried not to let his excitement at the thought show. He didn't want to give Riff any false hopes, after all.