When I removed my underwear they saw my erection."You really want it bad, don't you boy," Stan said.I said nothing."Get on your hands and knees," Stan...said as he came up behind me." I...I..."I started."Shut up," Stan said as he spit in his hand and rubbed the saliva on the crack of my ass.I felt him put the head of his cock against my hole. He put his hands on my hips and slowly pushed into me. It hurt but felt good at the same time."You are so fucking tight, cunt," Stan said as he began to. " Why, I'm enjoying this?" Well, it's...it's...I..." I know darling, I can feel it."We stopped shuffling, but mother still clung to me.She touched my face with her hand and smiling said, "It often happened like that in the days people danced like this." Der-did it?" I stammered.She laughed softly and went on, "That's what it was about mostly, a preamble to mating." But I thought people didn't do that sort of thing back..." In the Dark Ages," she laughed. "You know one of the troubles with. One day the twins came home from school and went straight upstairs to change and then they came back down in their swimmers and went out to the pool to join their older sister.From the kitchen my wife and I saw the girls deep in close conversation with much animation and laughter.When tea was ready I called them inside and noticed that they were all subdued with downcast looks. I gave my wife a look which said something’s up. My wife looked at me with that knowing look that all mothers have as. Ashley had finished her first glass of wine and I asked Ashley if she wanted to continue drinking wine. She smiled and said, "Yes, I'd love to continue drinking wine."I took the liberty and ordered a delicious bottle of Pinot Grigio. It was summer and a cool refreshing glass of white wine seemed right.Ashley and I were having a great time talking and laughing. I had noticed Ashley was getting bolder with the touch of her hand on mine or her foot rubbing on my leg while we drank and chatted. I.