He glances down at her hands, half-smiling himself.

'Keep those fingers goin', an' you'll find something that'll take away all doubt.'

And he figures he might as well take his own hint. She really doesn't need to have those trousers on, does she? Of course not. He kisses her as he looks for the buttons on them, distraction in case she freaks out again maybe, or possibly because he just likes kissing her.