"I'm not talking to you. I'm talking at you." Or something. What in Merlin's name was on this stupid desk? He leaned down to scrub it harder, taking out his frustration. "I don't get why you would call someone mudblood. If you did that. And if you didn't do it, then I don't get why you wouldn't just deny it when I asked you."

There were so many things he didn't get. Sirius turned around, looking at Severus. "I don't get why you stopped giving a damn about us being friends."