"Doctor please what?" The Doctor's fingers continued to pet, stroke, and circle her slit with little in the way of penetration; instead he seemed content with teasing, pushing at the edges of her arousal, toying with her clit and folds as if he had no intentions of taking her any further towards that edge. He leaned over her, pushing his hips against her ass, where the firmness of the cock bulging through his pants could be felt against her; he, too, it seemed was aroused.
Breathing her in, he then whispered, "If you want me to stop, you have to ask. Otherwise I'll keep going."
Of course, just as he said this, he altered his fingers movements and slid his middle finger inside of her, past that tight hole, with a glimmer of pleasure sewn into his grin as he tilted his head and watched her body react, "Do you want me to stop, or did you want to cum for me Willow?"