Sinon: Silica, how do you keep such a sunny disposition in this rotten, stink-infested world?

Sinon: Silica, how do you keep such a sunny disposition in this rotten, stink-infested world?
Silica: You mean what do I do when I see Mr. Blues peeking around the corner?
Sinon: Oh my god. She even has a cute name for depression.