"Yes, very old indeed." Slughorn said audibly. "Well known for associations with, well other rather old families." Slughorn tactfully dodged saying who those families were. 

"Yes sir." Kyle was tempted to add something along the lines of 'and proud of it', but he bit back the comment. It was clear enough without saying it. He held his chin up proudly. A Slytherin trait, too proud to think through the implications. Slughorn then drifted back to silence and reading the class roster. He found another name to pick on. 

Kyle took the opportunity to glare back at Siobhan. His glare faded quickly though back into a smile. He snickered and turned the page of his book to the proper page. "I've got free period after this, want to walk around the lake if you're free?" It'd get them out of the castle, which as fantastic as it was, seemed suffocating at the same time. There was too much to live up to.