I said “ well lets not say anything ok?” We went to dinner, all of us drinking way more than we needed, the talk was cordial at first and as th... alcohol took effect the talk turned to sex and Ed and Penny’s lack of it. Ed was really enjoying himself and really told us more than he should have. He said this weekend was going to great for him. We drank a lot more alcohol and went to a couple more bars. Ed would snuggle to my wife at times and he and I danced with her several more times that. How we spent the rest of the time out ... wasn’t brought up, but we were ready, just in case? I left them alone as I walked in and said “Hello” to my favorite mother.I helped her as we talked a bit about most, but not all, of the things we had done today. She was really happy about herself. I told her about the people I talked to today, explaining how Dad ‘wasn’t allowed to come in, ‘ evoking a chuckle from her.“Mom, I also need to thank you for having a daughter, and not leaving me an only. ..little more could be seen of Her than the white mini-dress illuminated by the porn playing on the big-screen.I sat at the end of a couch about half way back. Marie stood in front of me. She gently swayed, caressing Her body. She exposed one breast, then the other.A dark figure moved behind Her. Slowly exposing Her ass, one hand slid around to Her wet, bald pussy. Marie had one hand behind Her working His cock.She leaned forward, resting one hand on my thigh. She let go of His cock and undid. Out the back was the laundry and toilet in a small backyard.I knew that "M's" parents were gone with a crowd on a bus for an outing and would not be back before dark.Opening the front door, closing and locking it.Afterwards. Now where was "M" ? I had called out and there was no answer.Down the passage way until I reached the area of the kitchen and bathroom.Once again I called out > finally got an answer from "M" and the voice came from the bathroom.I said I would wait till she came out and the.