Hi I’m Carl and I’m married to Becky. We have been together 8 years and have a great sex life though has it’s ups and downs due to work and kids. We have never been swingers or played with anyone else during our relationship though we are both open minded about sex. We are both in our mid 30s I’m 6ft3 tall dark hair short groom beard decent shape I try to keep fit. Becky is a curvaceous blonde about 5ft4 size 12/14 busty 36f tits broad hips with a biggish shapely bum and keeps her pussy clean shaven the way I like. Becky works in a job where she gets to work from home occasionally, I’m self employed so depending on how much work I have can finish anytime during the day. It was a Tuesday and Becky was working from home. I was out doing my morning job when the afternoon customer rang to re arrange the job I had for them for a later date. I finished up and thought sod it let’s have a chilled afternoon in the house. Up on arriving home there was a bmw blocking the drive which I knew was Becky boss Paul’s car. I thought nothing of it as sometimes he popped round when she worked from home to sort his dairy etc with Becky. I walked in to the house through the living room to the kitchen expecting to see them in the conservatory but they weren’t there but both of there laptops were set up on the table. I walked to the bottom of the stairs to hear the sound of them fucking. My heart sunk and I stood there for a minute not sure what to do. I slowly crept to the top of the stairs our bedroom door was half open so I was able to see Becky on her back legs over his shoulders still dressed her skirt had been hitched up over waist her tights had been torn open he was naked with his back to me so I had full view of his cock thrusting in and out of her. I froze remaining hidden watching this 50 year old with a beer gut fucking my wife. His cock looked a reasonable size not much longer than my 7” but possibly thicker. I stood there for what felt like ages but was probably only about a min watching my eyes fixated on his cock ramming my wife’s pussy his balls slapping against her as he did so her moans and saying fuck as she gasped ringing in my ears as I crept back down the stairs out to my van. My head was all over the place, so I drove round the corner to a local park and gathered my thoughts. I was angry upset nearly in tears all at the same time. What I had just seen playing over in my head, it was with he image of her getting fucked in my head as I calmed down I realised my cock was hard. What the hell I thought but it dawned on me I was hard over watching my wife been a slut and getting fucked. My mind began to race wondering what a slut she was for her boss how often did she fuck him or suck his cock. With these thoughts I needed to know the answers I just had to think of a way of confronting her about this! Let me know guys if you want to hear more this is my first ever post on anything like this!