"And also, oscillator one can be used as a modulator for oscillator two." After pausing for a moment (for the first time all day!) she turned to look ...oward me, her eyebrows raised questioningly.I grinned. "Cool." Her face blossomed into a radiant smile and she tackled me to the carpet with a big hug and a wet kiss.I carefully watched my steps as we walked through the front gate. The morning was chilly; Jenn warmed me by squeezing me tightly and herself by talking about her synthesizer. "And I. Maybe it was youthful inexperience, but most young men didn’t seem to know how to use their cocks to please her. They knew what felt good for them and focused on that. When she was on top, she was in control, and found she could use a guy’s cock to make herself feel good. Once she had cum, she liked to lie beneath him and let him pound her hard and fast. That could also make her cum if he had enough stamina, but that wasn’t too important if she’d already cum once. She just enjoyed getting. I turned to look at my Emily; excitement at what I intended to do was coupled with the thrill of being in someone else’s house unawares.Emily had changed into something other than her bikini I noted with some disappointment. She was wearing a small pair of shorts, paired with a sleeveless top. She was laying on her back on her bed, stretched out and reclining. Her head was tilted backwards over the edge of her bed, and she was holding her phone upside down in front her face, in the middle of. My mind was racing should I stop her? I'd fucked a man's wife before while he watches so I knew how horny it could be. Fuck it she's so hot let's carry on. As she undid my trousers I looked at Dave and said you better sit down looks like you're in for a lesson. She looked up at me and smiled then was a little surprised how hard I already was as my cock sprang out. Taking it in her hands she started stroking the length saying to Dave now that's a real cock. To which I said well suck it Mel let's.