Wow. In another year she would be 40. But a good looking 40. Her muscles weren't as toned as they had been, but she wasn't flabby, either. Her breasts...weren't firm anymore, and they had settled slightly lower on her chest, not to mention larger than they had been. But they retained their shape, and she knew Steven loved them as they were. Plus, she didn't have to bend as far to lower them to his mouth when she was on top. So there was at least one advantage to getting older. Her nipples weren't. ‘Bet you got another nice view for me down here?’ she purred. ‘Bet I can see it easily in the light of the full moon.’ Now she unzipped me and pulled it out. It had been a couple of hours since I had climaxed, so it took all of about two seconds for me to become fully erect again. ‘Ooooh, looks so big in moonlight,’ she said, stroking it a few times before lowering her face to it and taking it in her mouth. And so now I just sat there in the passenger seat, looking down at mom’s head bobbing up. Then it began. I thought I could just feel the head of my cock begin to slowly move, just the tiniest of amounts, very gently from side to side. I could barely feel her fingertips at all, just the sensitive tip of my cock as it brushed slowly from side to side cocooned inside the delicate silk underwear. I shuddered and gasped out loud at the intense feeling, already feeling an urge to cum. She sensed this and paused. I was stunned at the intensity of the sensations and understood why she had. She strained as she heard him move around the room before the gentle sounds of classical music filled the room, loud to mask the sounds of what he was doing as he prepared. She shivered again and groaned in frustration as she could not close her legs enough to squeeze her clit.They had talked at length about what she might want, or not want to do, but other than the actual anticipation of being bound, she did not know what she wanted, so he had said he would set up the experience and he would.