A line has been crossed.

A bit about us, I am Mal and I live, with my partner Greg, on the beautiful north coast of Scotland, which is pretty much the back of beyond.  We go to bed when the sun sets and likewise, we get up with it the following morning with the sunrise.
We are both athletic outdoorsy people in our 30’s and love wild camping, hiking etc.
My partner Greg is the ultimate cuckold. 

As we lay in bed one evening the conversation got round to how older guys get on for sex if they find themselves on their own.  I know that when we used to stay at my parents for our holidays there was the telltale creaking from their room that they were still at it and they were in their 60’s. 
“They are at it again” Greg would say “Anybody would think that they are newlyweds”.
It pleased me to know that sex doesn’t stop with age.  It reminded me of a story that a friend told me about when she worked in the retirement home.  She said that there was one couple in their 80’s who were always at it and they never bothered to shut the door.  Back then I didn’t really believe her but knowing that my parents were still at it made me rethink it…. That is a project for the future. 
Lets get back to this event…..

A month or so Back we were staying with a friend in Edale which is a tiny village in the Derbyshire Peak District.  Trevor has been a long-time buddy of Greg’s since they were in the Army.  He had always been a bit of a loner and he was very charming.  After dinner We sat on the porch outside Trev’s cottage with a beer to watch the sun set over the Kinder Scout.
Once the boys started recounting their army days I knew that it was time for my bed.  I gave Greg a kiss and said with a wink “Don't be long”.
As I turned to leave Trev said “Oi, What a bout me?” 
So, I turned round and sighed “Ok then”.  I bent down to kiss him on the cheek and as I did so he turned his face giving me a full kiss on the lips.  “Cheeky” I said with a smile.
As I walked through the doorway I could feel his eyes on me.   I paused just out of sight inside the doorway and listened.
“You are a lucky fucker mate” Trev said in a low voice “She is so damn fuckable”
“I can’t argue with that mate” Greg said “She fulfils everything that I could want and then some”.
“And then some…??”
“Yes Trev me old mate, and then some”.
“What do you mean?”
“We do do a bit of swinging”
“What you mean like wife swapping?”
“Not really actual swapping more like sharing”
Trev’s eye’s must have been popping out of his head I surmised standing just in the doorway and listening to them. I admit that I was getting a little horney. 
“You know mate” Trev continued “I have not had a proper fuck for longer than I care to remember and I could sure do with one”.
I don’t know what was said after that because I just had to get to the bathroom before wet myself.

After the bathroom visit, I entered the bedroom and stripped off naked waiting for Greg to come and do his business.  I must have drifted off to sleep because I was awakened by somebody sitting on the edge of the bed.  I was laying on my side with my back to him feigning being asleep.
I felt the covers pull back and then I felt Greg spooning up behind me, his cock probing the cleft between my legs, his hand slipped around me and grasped my breast. 
“I am so ready for this I whispered” and reached down to guide his cock into me.  Oh, it was heaven.  sliding in and out of my very wet pussy.  I gotta say that he was very eager and soon he was gripping my tit very firmly and ramming his cock into me.  I couldn’t sustain my orgasm and I let out a little scream as he rammed harder and pumped his spunk deep into my pussy.  Oh boy, we hadn’t been going for very long but it was incredible.  Sometimes quickies are as good as long-drawn-out fucking.

As the mood slowly settled and I pushed myself back into his body I heard a voice over by the door, then the light flicked on “Having fun, are we?” What the fuck, that was Greg, I sat up quickly and looked at the man who had just fucked me and it was Trev laying there with a soppy grin on his face.  Holy Moly. 
Before I could utter a word, Greg had walked around to my side of the bed with his cock sticking out in front of him.  I was trying to think of something to say or do but Greg took hold of my head and fucked his cock into my mouth.  
“There” he said “Isn’t that nice?” 
I couldn’t speak with his knob tickling my tonsils. 
“What do you think Trev, score out of 10”
“I really am undecided” he said “Lets face it, one good fuck might just be a fluke.”
Oh my God, I knew what was coming and I really get turned on by masterful men and dirty talk.
Greg pulled his cock out of my mouth and asked “What do you say Hun?  Do you think that we should let Trev have another go?”
Before I could answer his cock was back in my mouth again.  He was pushing it right into my throat.  Who was I to complain.  I felt Trev’s hands and arms slip around me then massaging my tits.  Tweaking my nipples until they stood erect.
Greg grasped my head and held my face still on his cock, I flicked my tongue over the underside of his helmet then I felt it swell as he unloaded the contents of his ball sack into my mouth.   It took him a while but eventually he finished and withdrew his cock. 
I didn’t swallow a single drop of it.  Instead, I turned around and pushed Trev flat on the bed then I went down on his cock and let Greg’s sperm dribble out of my mouth and onto his cock.  I rubbed it all over his cock and ball sack then straddling him I guided his still hard cock into my sopping wet pussy.  I rode him fast and furiously for a short while then laying down on his chest, I kissed him long and hard.  His tongue entered my mouth and he licked all around my teeth, tongue and gums.  I knew that he could taste Greg’s cum but he didn’t seem to mind. 
It didn’t take me long to realise where Greg was as I felt his tongue running up and down my bum crack.  Pausing for just a moment at my bum hole before licking Trev’s balls I guessed.  Then up his tongue came and rested on the rim of my butt hole.  I was delirious.  All the time Trev was holding my head and kissing me. 
Before I knew it, I could feel something at my butt hole, this wasn’t a tongue, this was something bigger and it soon penetrated me so very slowly.  Oh…Yes please I thought. 
Greg was sliding his cock into me and very soon I felt his tummy against my bum cheeks and I knew that he was all the way in.  Gently he eased back and then forwards again.  Slowly building up a steady rhythm.  I was whimpering like a sick puppy as these two men took their pleasure.  Poor Trev underneath us couldn’t move so I did my best to flex my pussy muscles.
Goodness knows how long this went on for but it seemed like an eternity or even a few moments.  I really don’t know nor cared.
Greg finally eased his cock out of my bum and brought it round to our faces where he proceeded to wank himself off over us.  Trev was an eager boy; he even opened his mouth to catch some semen.  This wasn’t his first rodeo I thought.  Trev rolled me over onto my back and propping himself up on his hands he rammed his cock in and out of me until he came then flopped down on top of me.  After a brief kiss he rolled off of me.  The pair of us lay there puffing and panting.  Greg just sat in the chair smiling.
“Well Trev” Greg asked “What’s the score now?” 
“I am still not sure, maybe a 6 or 7”
I gave him a playful dig in the ribs.  “6 or 7, are you fucking kidding me?” I said while Greg laughed.  “You will not leave this bed until I get a !0 and here is something for you to be going on with” I said as I straddled his face and forced him to clean me up some.
“I am bolloxed” Greg said “I will sleep in the spare room tonight and you two can carry on”.

Footnote
I did get my 10 points by the morning time but things didn’t really end too well.    Sex is what we have with other people and it really doesn’t mean so much but when Greg and I are alone that is when we make love.
The following day. While Greg loaded up the car Trev took me to one side and pledged his undying love for me and wanted me to leave Greg for him.   We were interrupted by Greg coming back in and saying that it was time to leave.  I gave Trev a kiss on the cheek and Greg shook his hand and had that man-hug thing then we were on out way.
There are no secrets between Greg and myself so on the way home I told him about Trev wanting me to leave him etc etc.
Greg dismissed it with a “He’s just a lonely fella” but it changed the dynamics of Trev and Greg.  A line had been crossed.