She rode him for what seemed like a solid hour, grinding and sliding across him in every possible way, alternating sensuality with hard up-and-down slamming, snarling at him, smiling sweetly, coming down to snog him and then whisper something dirty in his ear before ramping it up again. Nothing worked! And they should have known that, really, since only penises can ejaculate, not amputated limb stumps.