I asked Donna if she was Ok, she replied that she was horny as hell and she wanted to do this. Sammy came back from the bathroom and sat next to us on...the bed, Donna and I were kissing, she came up behind Donna and felt her tits, I pulled away and Sammy and donna were kissing.I pulled Donna's top off and unclipped her bra, Sammy immediately started to feel her tits, I came behind Sammy and did the same to her, Donna was feeling her tits as I kissed my wife, Sammy was licking my wife's tits, I. AFTER TELLING ME WHAT A GREAT JOB I WAS DOING HE SAID HE WAS PUTTING ME IN FOR A PROMOTION. I THANKED HIM AND GAVE HIM A HUG AND I NOTICED THAT HIS COCK WAS HARD AS A ROCK AND HONEY IT FELT LIKE HE HAD A BASEBALL BAT IN HIS PANTS. I TRIED TO PRETEND I DIDN'T FEEL IT AGAINST MY BODY BUT WHEN HE MOVED BACK I STARED AT HIS CROTCH. I COULDN'T TAKE MY EYES OFF OF THE BULDGE HIS COCK WAS MAKING. I ASKED IF I CAUSED THAT TO HAPPEN AND HE SAID I DID. I SAID I WAS SORRY AND HE ASKED IF I WOULD TAKE CARE. " Penny paused and thought for a few seconds before going on, "How about we try it from after lectures on Friday until bedtime Sunday? With time out to do our coursework Sunday morning?"We bandied the suggestion around for the next hour until I reluctantly agreed to become Penny's servant, not slave, to be treated somewhat like Emily was in the story except that she was only allowed to spank me. No belts, straps, canes or birches. Even so I pondered for a long while on what I had let myself in. All this was done under controlled conditions so as not to disturb the planet's orbit or that of its neighbours. Eventually Mars's gravity was increased sufficiently to capture and hold an artificially enhanced envelope of imported gasses effectively condensing the thin atmosphere to an insulating greenhouse of breathable air.Water was then introduced and moderated the planets temperature variations thus calming the ferocious dust storms. Once Mars was successfully made habitable the massed.