Wife went to a bachelor party in St. Louis and the kids are at their grandparents. Went to the bar Saturday night to watch the fight. Got up early Sunday and got in the hot tub. Took off my swim trunks and was relaxing. My neighbor came out early and saw me and waved. She has to be around 70. She sat down to drink coffee and since I don't have a fence right there, I turned so we weren't staring at one another. What I didn't think about is when she walked up on me and I had no idea. She startled me and I hugged the edge and we talked. She reached down to feel the water and saw I was nude. I apologized, but to my surprise she said it was ok and moved so she could get a good look. We talked as she looked at my cock then I asked if she wanted to get in with me. She asked if she would need to get nude and laughed. I told her it was expected. Soon, she was in the hot tub and off came her swimsuit. For her age, she really does have nice tits. We were talking and she moved to the different jets and settled beside me. Her hand touched my penis and she said sorry, but I replied it was ok. Thinking it was an accident. She took it to mean that she could touch my cock. Soon she was stroking it and I was about to cum and had her stop. We decided to go to her place. I grabbed some lube and fucked her senseless. That was by far better than I thought.