I watched as my girlfriend greeted the plumber at our doorstep. She led him inside, her eyes filled with anticipation. I knew she had a thing for men in uniform, but I never imagined she would act on it like this. As they disappeared into the bathroom, I couldn't help but feel a pang of jealousy. The sounds of pipes being fixed and the occasional moan filled the air. I couldn't resist the temptation to peek inside. What I saw took my breath away. The plumber had my girlfriend bent over the sink, his hard cock pounding into her as she cried out in pleasure. I knew then that our plumbing problem was about to be fixed in more ways than one. And I couldn't wait to join in on the fun.