Oh, those words were a better caress than any simple physical touch, and were enough to wring another moan from the Master as he squirmed down the length of the Doctor's torso again, leaving a trail of nips and kisses in his wake.

"I might think you were bragging about your stamina," he said, grinning, as he wriggled into place between the Doctor's legs, rubbing his cheek against the Doctor's cock before giving it a slow lick up the underside from base to tip. "But I could never get enough of you saying that. It would make a wonderful ringtone." Another firm lick, and he laughed. "Or I could see if I'm limber enough to..."