[Aren't those that serve God meant to rely on faith? That's a quality more characteristic of a mage than a priest. This is why you're fake.

...though thinking of that, Rin realizes Kirei's title is another thing that makes more sense now. She sets her chopsticks down.]

Then you should already understand. If you discover something dreadful about a person who's been in your life for thirteen years, it's natural to question everything you thought you knew about them. Every interaction takes on a new light. Especially when you're showing me a side I've never seen before.