Maybe not. [He takes a slow breath of his own] Everyone's got their secrets.

[A pause] But you can't really understand something if you're in the dark all the time. [It's not clear if he's talking about her, or something else. The statement stands on its own]

... I don't mind telling you, Xion. [His hesitancy isn't due to wanting to keep a secret from her, specifically. Old habits just die so very hard, sometimes, and he's consciously acknowledging it here]