[ his fingers dig into the skin of her neck, pressing hard enough to form bruises if he maintains the grip ]

You mistake my interest in you for affection. [ no, perhaps that's not right: ] Dependency.

[ he leans forward, his lips hovering over hers as he whispers ]

Do not delude yourself, my apprentice. You are here to satisfy a curiosity of mine. [ he presses harder ] I can end my curiosity any time I choose.