She kissed him again when he said he'd stop complaining. At least he wasn't trying to stop her, which was more than could be said for her. It wasn't that she minded him torturing and killing people she just really didn't want him getting into trouble, because there was no telling what might happen if he regenerated. "Good boy," she joked.
"so shall we stop discussing my lab habits?" she suggested, "and take this else where?"