He knew it as much as anyone else did, he didn't need anyone's help or concern or even sympathy. As he walked to his dorm, he made sure to remind himself that getting infatuated with a girl who's as private as he is, was stupid and irresponsible of him. It was a betrayal of his principles. Luna doesn't seem too private now that she has Owen, probably a sign for him to forget. He's perfectly willing to forget, but he'll never be forgiving.