I'm married. A buddy was visiting and spent the night on the couch.  I got up in the middle of the night to pee. I had a hardon and stopped by the living room. I saw that the covers had slipped off, and he was sleeping naked. We had been drinking earlier, and I started to mastrubate watching him sleep there. He woke up and saw me, and he asked me if I would like to watch him jack off too. I said OK and sat next to him on the couch...next thing i was sucking his cock. After he came in my mouth he played with my nipples while I stroked until I came. Neither one of us said anything to my wife the next day.