"Don't sound so sorry to see me go," he says, because he is a hundred percent aware of the fact that she has no desire to be in close proximity with him for any extended period of time. Such a shame-- before she'd known that he's Satan, she'd been perfectly content to share a bar with him.

"I can't entertain you all day. I'm just dropping in to give you your promised update."

And now she can have something new to bring for Science Show and Tell. Isn't it lovely?