[... He'd never been locked up like the others had, but he'd experienced enough restriction in the Tower to be uncomfortable with the concept. Criminals and psychopaths... he'd seen some of those in the Tower, too. But this Joker person... someone important to her. Maybe important enough that her Heart might make her face things about him.]

[He's not sure. He can only guess.]

We'll get through it. And besides... I won't let people get locked up in there. I'm pretty good at picking locks, anyway.