He frowned at that, feigning a look of disappointment. "I dare say, Angel, if you're going to ruin all of your surprises like that, I'm not going to bother to come up with them," Still, after a second of the ploy he let himself smile, a much gentler expression than had any right being on a demon's face.
"There was already a library in the blueprints, it seems it will simply have to expand with your collection," He had worried, the Angel might feel cowed into his presence if he tried such a tactic the first time. He was... surprised, not entirely negatively, that that wasn't the case.