I am over 50 and met an Asian woman (between 40 and 45) at a bar. Things went well so we ended up at her residence and promptly were in the bedroom. I was well on my way to being rock hard when she got her first look at what I had and she was quite impressed, "pretty sure you're the largest I've had so far" was what she said. After she played around with me, herself and some lube, for what seemed a long time, "I want to see just how big you're going to get", she asked if I would mind if she was on top. I agreed to this and laid back for her. She was quite tight, my head sort of popped into her after a fair bit of pressure and then it was smooth stroke as she lowered herself about halfway down my shaft. When the head of my cock popped into her, she started to giggle and had a wide smile on face. Once she reached the halfway point, things were getting quite snug again. Her breathing was getting heavier but she was still giggling even more. She was still quite far from the bottom of my shaft when she suddenly stopped giggling and was laughing. It was a surprisingly deep laugh and quite loud. There was definitely a determination as she was still grinding her way slowly down with little progress. With a fair bit still to go, her breatheing sped up, making it hard for her to laugh, though when she caught her breath she was still laughing and tears were running down her cheeks. She then started pumping more than grinding and was gaining more depth this way, though not much. It ended with her climax and she quickly jumped off me and finished me with a hand job though this was not long as I was ready to climax almost simultainiously. Afterwards I asked her about the whole "laughing" thing as it had never happened to me before and I have seen a fair bit. She said it hadn't happened before and it surprised her as well. It was a loud and deep laugh and I am wondering if others have had this experience and if so - was there anything similar beyond the laughter itself?