He lifts both hands in a light 'don't even mention it' sort of gesture.

"You're welcome. Now- I don't really care if you lie to me, generally speaking, but when you give me your statements I'd really appreciate it if you were as honest as possible. If people realise there's a lie in a story someone's telling about themselves it makes it really hard for them to believe anything they say after that, a-and we do want people to believe it, sincerely."