That break of exhaustion was all Lucy needed, that hint of weakness she could exploit. Well, that and the pathological hatred the doctor seemed to have developed for Captain Jack Harkness.
Shame, since Jack in chains had been such fun. Cleaning him up, dressing him in his old clothes, allowing him to think he was being allowed a certain level of freedom, and then showing him off to Dr. Harper...oh, now that would have been delightful.
"But it doesn't matter what you want. It matters what I want." Her voice lowered, dripping sweetness. "Maybe I want to play."