She met his eyes, faintly dazed, when he spoke her name and returned her to the present. A smile, cat-like and lazily sensual, curled her lips, even as she tugged against his grip on her wrists to test him for the hundredth time. She knew she couldn't break his grip, and yet...

"Yes, Doctor?" she purred back, enjoying his growls, his touch, the warmth of him, the staccato of his dual heartbeats pounding out a rapid pulse.