When you have nothing but time, you can learn to do a bunch of things, even if useless.

[ But is it useless if it helps pass the time, which is what he wants to do? It sure fulfills its purpose for Hien at least.

Speaking of, he has another mandarin in his hand. Where did that come from? It's here now and Hien is mindlessly peeling it thoroughly again. ]

... I'm not a prisoner, so that's something.

[ Regarding him liking his roommate and staying at his place. ]