[ it's a beautifully torturous slow pull of pleasure, not the sparks so much as the heat of the friction that produced them ]

*lets his head fall to the side to give Erik better access, his breath coming a little faster; if he'd been worried about disguising his reaction, his pulse would have been a dead give-away. but for all of his mulishness, he's never been concerned about letting Erik see the effect that he has on him.*