The surprise on her face seems clear, eyes wide, mouth apart.

"Shut up you did!" she says, giving him a gentle shove. "You're winding me up, you are! There's no way someone could do that. I mean not from him. You're having me on, aren't you? You making fun of me?"

She doesn't really think he seems the sort to, and yet what he's telling her, well that doesn't seem possible.