He was satisfied with the boy's reaction. "Yeah, well I want to make sure he isn't an idiot, either." He waved his hand at Remus. He didn't like seeing him relax when he looked at Emily, even if it was only a fraction. Teenagers. Thought herd immunity applied to social situations, too.
"Emily, sweetheart, I think I saw your purse in the kitchen. Go on, I won't bite him." He gave her a grin. "Don't forget your phone!"