Rachel is what you'd call a controllist.

[He falls back on his knees as she straightens, his hips making a little cradle for her as she writhes on his lap, her slender fingers gripping the back of his neck. He growls, biting at her neck, his hands moving all over her body (her breasts, cupping and squeezing them, his fingers pinching at her nipples before dipping into her bellybutton and sliding low, finding her hipbones and following the creases there before sliding between her thighs and mapping every square inch of skin there. He bounces her gently, biting at her earlobe, murmuring in her ear.] Anything you want me to do to you? Boundaries you want me to push? Shit you want me to do to you, right now, I never did to you before? Anything you wanna do to me? All you ever gotta do is tell me, baby, and it's yours. Give you fucking everything.