"I know what you mean about the credentials! I was lucky to be accepted into Auror training as the war was starting or I'd probably have had to go through the same thing," he said, nodding and pushing his finished plate of spaghetti off to the side.
"I wasn't trying to give you a hard time," he explained. "I was hoping to get the chance to apologize to you for my behavior in the Great Hall before class on Monday, so when I didn't see you, I was worried that I'd made an even worse impression than I thought. I hope you can forgive me that horrible first impression. I'm not always so immature or rude."
"Plus," he added pointedly, "You said you were the top Arithmancy student, which piqued my curiosity even further. What about Arithmancy interests you? What are you looking to do with your NEWTs?"