"Some people are beautiful but can become less beautiful in the company they keep or with the things they say." And she often found this a flaw with Slytherins. They were beautiful until they got together and weren't. It happened in any house, honestly. "I'm sure you're quite beautiful. You have the eyes of a moon frog." She meant that as a good thing.

"Urgh, not her." Draco moaned as he shouldered into her to get back into his compartment. "Shove off, loony."

Luna bounced onto her tip-toes and tilted, peering in at Draco and then looking back at Blaise almost playfully. "I suppose not everyone can be beautiful."