Salazar blinked, "You're no bother at all Mr. Moore. I'm just used to accommodating students in my later classes who have work at around four or five o'clock at night, and was checking that you yourself didn't have to go to work. And you aren't keeping me from doing anything, instead it is I who should be asking that question."<br/><br/>He smiled at Silo, and somewhat wished he could call him by his given, but as propriety dictated, he couldn't unless told. He didn't care that propriety and such were changing with the times, habits were hard to change. "Though if you need to leave you needn't ask me for permission, nor do you need permission to take a break and glance over a few books."