Using her thighs to keep her balance, she scrapes her nails over his nipples again and rakes them down his sides, breath hot against his neck as she keeps sucking there. There's only so long she can hold herself like that though, and before long she threads her fingers through his hair for better leverage and increases the force as much as she can, breathy pants reduced to gasping, keening moans against his skin as she keeps trying to go faster.