She then starts to licking and kissing at my fingers and takes my hand off and out of the way and licks at my semi hard dick. With this feeling so goo... and with my eyes shut, I start to forget for the moment that this is my sister, and start to become very hard again. She starts to rub up and down and squeeze (what I call now per-cum, as we don't know then) more slimy goo out and rubs it all over my dick and licks it off and squeezes more out, doing this many times. Then all at once I felt this. “Anything else, dad?”Relief. “What you saw just now was me and your mother having sex. You will be seeing a lot of that in the future, and I want you to realize that this is a natural thing. That is why I don't want you feeling ashamed of what you saw.”Chrissy nodded. “But nevertheless I don't want you bringing any friends over unannounced. If you're going to bring friends over, give us a call first so that we will know, ok?”“Yes daddy. Is there anything else?”Chrissy's blanket had slipped down. In short I thought she was a walking wet dream, an orgasm on legs, a fantasy to be masturbated over in my lonely bed when I could pretend that my fingers were her tongue and I'd wake up in the morning, still wrapped in her arms!"Andrea?"I snapped back to reality and grinned sheepishly at her,"Sorry Miss Howard, I was away somewhere else for a moment" Well wherever it was, I think I'd have liked to be with you" she laughed and I had to bite my lip to stop myself from telling her, that I'd been. He looked confused saying: ‘You mean in bed?!?!’ He turned to me and asked if this was really OK. I laughed. Of course, I said: ‘Of course, its OK.’ ‘You may have noticed just how unbelievable horny you made her tonight and now you expect me to satisfy her alone…. Thanx b*o…’ It was his turn to tease my wife. He smiled and pretended to hesitate in making his decision about doing a threesome with us. My wife grabbed his arm and d**g him into our bedroom. He didn’t put up much of a real fight. I.