"Your student," Childermass repeats, raising his eyebrows slightly again and tilting his head at the other man slightly. A question in his voice, even if he hasn't expressly voiced it. Yet. "You make a habit of meeting your students in such places, then? Outside of office hours. Outside of office entirely, for that matter?"

Childermass shifts to cross his arms in front of him. "If you are to tell me that you are in a profession anything to do with this place, and that I have just caught you with your mobile on, I would question your authority as a professor, sir. As might your students, I would hazard to say."