He grinned as she reacted positively to him taking full control of the encounter, and further restricted her movements with a binding spell, binding her wrists together behind him. He then began varying the rhythm of the sex, slowing and speeding up arbitrarily, as he slowly moved to the bed, taking his time. After finally arriving at the bed, he sits down, still bouncing her on his cock, before unbinding her wrists and then lying down and rolling over, pinning her beneath him with his weight.