That thought had crossed his mind. Friend, roommate, employee, ... and well, he wasn't quite sure exactly what words were appropriate or word. It certainly was generally not considered good to date one's employees, but times were, well, it wasn't entirely a new thing. "And risk you not staying sharp?" Kingsley asked, teasing back, "You know I'd not let you off the hook." If she messed up, if anyone messed up, then they were accountable, and the head's job was to make sure of that. Also to minimize any messing up.
"I may have to loosen the rules about fraternization," Kingsley added with a small curve up of one cheek. It was somewhat a joke, but he wasn't going to give her up for a job. No he was fine to just be another auror if that were necessary to get to be with her.