His mouth opened momentarily to speak, but he stopped himself. Being mad at her for touching his eyes would just scare away a potential roommate wouldn't it? Though did he care? After much deliberation he decided that he was capable of handling the situation with a bit more tact. He knew her occupation, so trying to tell her that they weren't real was out of the question. Not that he had any intention of covering up something that wasn't exactly an uncommon finding in his home. Carefully, he plucked the jar from her hands.
"It's for an experiment," he noted. There was no need to give more details than that. She didn't need to worry about it and he didn't feel like explaining the project he had nearly forgotten about. Then, with the sense of humor that he did have, he held the jar next to his own eyes. "Though it's good to keep them around just in case I lose one. It's a good color for me, don't you think?