Derek just laughs, because while he doesn't think about Luke in that way, he does have eyes. But then she jokes about the garlic, but Derek hears the real worry in her voice. It makes him bite his lip and frown thoughtfully, tilting his head and looking at her.

"Let me ask you something serious," Derek says, because he's been thinking about this a lot lately, but there's no perfect time to bring it up. Might as well do it now. "If you were to get hurt, like really hurt in a way you might not recover from, would you want me to give you the bite?"