"I'm not sure I had anything specific in mind," she admits, verging a little on embarrassed because really, it's an indulgent thought to begin with. "But... look at it this way." She slows to glance at him, head tilted to one side, slightly. "To some extent we choose who we are, what we say and do, based on what other people think. We keep doing the things that 'fit' that persona. But here there are no expectations-- no reason a quiet person can't shout, no reason a criminal can't reform, a kind person turn cruel. Nothing except what we bring with us." She looks down. "Not so easy in practice, of course, or even desirable."