I am a sub.
Click. "boy, your dick is all mine now. I'll be keeping the key safe. I may let you out of the cage occasionally, when your hands are safely tied out of reach, and if I think you've earned it. Any complaining gets you punishment; and if you dare ask to be let out of the cage, that doubles your time in. Enjoy your desire and frustration. You stay horny for me, boy. Serve me well." "Yes SIR!"