An Unexpected Encounter with the Installer

Not planned first time... I am str8 but live alone. My GF lives a few states over. I washing a generator installed at my home. The installer was a guy about my age and he wore one of those one piece work over-alls. Like I said, I am str8 but when you see a huge bugle you can't help but look right? I'd be lying if I said I didn't wonder from time to time about guys cocks. At one point he asked if he could hit the head (take a piss). I wasn't paying attention as I walked past the bathroom. The door was open and he was in there with his huge cock out. I placed as I walked by, said sorry which made him glance at me and he caught be looking at his huge cock a half a second and I dont know what made me say it but I said, "whoa, sorry." He finished up and walked out to where I was. He said he was sorry he didn'tt shut the door. Then asked me why I said whoa. I stuttered a second and said, "It was just so big". He paused and ask if I wanted to see it again. I just nodded knowing this was going somewhere I had not been. He pulled it out. I would say it was just semi hard. It was huge. He asked if I wanted to touch it. I told him I had never messed with a guy before. He said no one would know. I reach out and put my hand around it. I loved it. I stroked it for a bit and he asked me if I wanted to suck it. I was a bit in shock that I was holding another cock and I was thinking about sucking it. I went right to my knees and started sucking it. I felt weird and dirty but I was loving it. He didnt take long before he asked if he could cum in my mouth. I didnt stop but even picked up the pace to let him know I wanted to taste it all. Then there it was, my first taste of cum in my mouth. I loved that too. He got done and I stood up. He said thank you but I again felt dirty. Then he said it was his turn. He started sucking me and it was the best BJ ever. What a pro. It only took me a few minutes before I was shooting mine in his mouth. He finished the installation of the generator and have me his card. I can't believe I sucked a cock but he and I are hooking up again at my place next week and I can't wait.