'If you snap my knicker elastic, you'll be gettin' a spank,' he says, through gritted teeth.

Just, y'know, in case she's one of those women who thinks that's funny when a bloke's got a raging hard-on.

'An' yeah. That's all right.'

He was going to insist on the same thing. But the need to take the edge off is becoming pressing. It's those tits. They're just...there. He's still got one in his hand. Can't let go.