"Mm, well, I have had quite a bit of experience climbing onto things and sitting on them, so this is no problem," he says wryly, watching her take off her shorts with an appreciative gaze. He hooks an arm around her waist to keep her steady when she straddles his lap, and when she's settled, he clasps his hands at the small of her back.

"How versatile. We might have to try that later, too. Don't worry, I've spent a lot of time on my knees as well."

He starts to rock the chair, slightly at first just to get a feel for it. And a feel for how their bodies press together with each sway backwards and forwards.