It all started when l got home after being out for dinner with friends, one of my dads younger friends was at our house. We were all out side enjoying a warm summers night around the pool. My parents left to go to bed, my dads bud stayed and we started talking, I had known him for years he was married with children. He had his eye on me for some time, l picked up on the vibe, I was in my swimmers, I was in the pool I swam down to the rear of the pool. Got out and watched him, as l got out l pulled my swimmers up my butt crack. I could see him watching me and smiling, he headed towards me, l was looking the other way, l felt his his hand on my butt cheek, he fucked me raw for an hour or two cum in me few times, kissed a lot. Start of a fling for several years, occasionally we still get together, no family members know.