"Cause you're pompous one second and all altruistic an' whatnot the next, obviously. Now don't you go and tell me you can't see the humor in that, otherwise I might just lose all faith in you!" Nevermind that they'd technically just met, so there really shouldn't be that much faith to keep or lose either way. Still, it did sound so deliciously, delightfully dramatic this way...
Besides, kindred spirits knew their own. He HAD to understand, just because. She didn't expect anything less from him, and the teasing, close-mouth smile she gave him as she cocked her head to the side indicated as much. Or it should, at the very least!