The stranger stepped up onto the side step and now I could see him furiously jerking his stiff cock which was pointed towards Beth's tits. Knowing that I was close, I used my free hand to remove the lid from my coffee cup before lifting it so I could use it to catch my cum at just the right time. With what I could see, I was torn between watching my nearly naked wife finger fucking her pussy and a stranger jerking his cock for her. Who was going to cum first? Did I want to watch Beth climax or should I watch the stranger shoot cum on her tits??...