Regulus stood facing away from the castle, his rigid spine presenting an unappetizing lack of openness. His hair rustled in the slight breeze, and Hermione wondered at how someone so similar in appearance to his brother could be so obviously different even from behind. She closed her eyes for just a moment, chastising herself for bringing up Sirius. When she opened them, Regulus had turned and was looking at her. "Of course, Miss Selwyn," he said, smooth and noncommittal.