The desire to one-up him, to counter every one of his parries with one of her own. There were some people who would say that sex shouldn't be a power play, but this was truly intimate fencing.
To counter his movements, she tried at first not to let on that he was playing her perfectly, but after a while she couldn't help herself. Her eyelids fluttered closed, body canting toward him as she whimpered. One point to Tesla.