Greg stared at the odd little witch for a long moment. "Miss Lovegood. Luna, you barely know me. This is the second time we've even, you know, talked."
It was clearly written on his face that he didn't know how she had jumped from 'evil Slythergit versus Potter-groupie' to doing nice things for a friend. He'd always heard that she was a few ingredients short of a potion but he'd not known that she'd skipped past one of the central tenants of their years at Hogwarts.