After our session in the playroom, we sat in the study, where I did some work while she went over her homework and the contract. I told her that she must only sign it when she was sure, though I had no plans on letting her go ever. I wanted her to give herself over to me of her own free will.

Every once in a while, she’d ask me to explain or expound on something. My breath hitched when she walked over to my desk and casually took my Mont Blanc from its holder and, leaning over with ...