The Doctor shifted most of the way out from under Jack, kissed the back of Jack's neck as start to slowly surveying his body with kisses and strokes.
Jack was being tag teamed by two Time Lords intent on turning him in to a quivery, turned on mess with fingers, lips, and tongue, the sensation ricocheting between them. And maybe, just maybe, to make him beg for more.
The Doctor was kinda curious how long that would take.