Ihave never written one of these stories before and didn't think I ever would,however what happened recently turned me on so much I had to share it with someone.My wife jan and I often fantasise in bed but we both know that is as far as it will go.We recently had a kitchen installed,nothing grand but more than I could have done.We bought a fairly cheap kitchen but got a local handyman to fit it.Sam was about 60,nothing special and a bit tubby but who cares as long as he could do the job.He arrived on Monday and jan had taken the week off so all was well when I left for work.Arriving home about 3,30 I was surprised to find very little work had been done.Sam said its all about the prep work so don't worry it will all get done.That night while my wife was sat on my cock our usual fantasies took a different turn when jan started talking about sam.In my excitement I blurted out how I would love her to fuck an older guy in our bed (jan is 46).Jan said she may well do it tomorrow when I was at work. Thinking nothing of it I went off to work the next day but got a text off my wife at lunchtime asking if I really meant what I said last night in bed.Christ I thought is she really serious?Nervously I replied saying just do whatever turns you on ,thinking she was just enjoying teasing me and wouldn't really do anything.A few minutes later I got another text with a photo of jan in a very short skirt that she only wears in the bedroom and a see through lace blouse but with no bra on.Do you think sam will like me in this she asked.She was really going through with it! I couldn't wait to finish work,racing home with a mix of fear and excitement rushing through my head. when finally I got home I saw no sign of sam or jan.The house was empty but after searching everywhere I noticed the back door was open.Nervously I went outside and there by the garden shed was my wife bollock naked being fucked from behind while bent over the bench.I stood absolutely astonished at the sight but so turned on I felt my own cock rising.An even bigger turn on somehow was the fact that our garden is not particularly private and any one of about 6 houses could easily see into it.My wife saw me now and just smiled at me.Sam continued fucking jan until eventually he pulled out of jans pussy and barked at her to turn round.She did as she was told and sam unloaded his cum all over her face.She lapped at his knob not leaving a drop of cum to waste which amazed because despite us having a pretty good sex life she has never let me cum on her face. When they had cleaned up Sam gathered his tools and left saying see you again tomorrow.Jan then led me to the bedroom demanding I fuck her hard as she fantasised about what sam was going to do to her tomorrow. Since then she has fucked sam several more times,sometimes I have watched and other times she tells me all about while we are fucking.Ihave told jan she can fuck as many men as she likes but she says no for now but I am hopeful she will change her mind soon.