Stiles almost- almost- makes a comment about the kind of protein Derek can give him, but he thinks he's joked enough about that for the time being. He doesn't want to scare Derek away, after all. Not that the guy doesn't already know the kind of person he is, but still.

"Yeah, that'd be great, actually, thanks," Stiles replies, giving the werewolf a genuine smile.

"I don't think my dad will mind, considering how many times you've saved my ass."