He takes in what she's saying, and with a speed that astonishes him the embarrassment drains away and leaves him in momentary free fall.

"You'd snog me in front of my awful brother to spite him?"

That is somehow weirdly touching, and proof of a confidence he's noticed more and more the longer he's known her, and unexpectedly something of a turn-on.

"Molly Hooper. That might be the most generous thing anyone has ever offered to do for me."