He's careful as he rocks in and out, even though it might not feel like it. Getting them both used to it. Slowing so that he can press in and give him short, quicker thrusts, loosening him up as much as he is trying to drive him crazy. Sometimes it can be tricky finding the best angle for his prostate, folded over like this, but Bruce has the right dimensions for it. He slides his hand down from John's hip to his bound arms, tucking his fingers around the leather ties, using that for a grip to pull him back onto his cock.

"Would it get you harder?" He leans forward, so he can tug lightly at his hair. As if the way he's shoved inside him, and the way John's torqued, isn't borderline too much already. His ass is bruised and Bruce is being nice about pulling his hair. "Having me instruct you? Make sure you got her off enough times?"

The hand in his hair vanishes, and he smacks his thigh, hard. Grinds in. "Or would you be too distracted thinking about my cock doing this to you?"