[Her answering whine is a lot less soft and (almost) shamelessly needy, and she rocks closer best she can. His little reactions when she digs more into his back are not even the main reason she does them, but are certainly not an unwelcome side-effect of hanging on for dear life.

His enthusiasm only adds to her already unsteady rhythm, though she tries her best to last a little longer since it feels so intensely good. Good enough in fact that she can't find the words to begin to express it, but hopefully her tone as she whimpers out his name will at least give an idea]