Snape: What....are you doing, Miss Lovegood?

Luna: I decided not to make this potion, professor. It has bad energy.

Snape: You...what?

Luna: Bad energy. Bad. But I revitalized this flower and you can put it in your hair.

Snape: .........

Luna: I think it would look very nice on you. Keeps away the Wrackspurts, you know.

Snape: *slides away*