I put my hands on his back and watched Sara over his shoulder, watched her contort and writhe underneath him. I didn't blame her; I knew what it felt like to be fucked by Tom. Though it was slower when he was inside me...and we used a condom. I wondered if he liked it better this way. Without realizing it I had crept closer to him, so that my breasts were now rubbing against his back. My hands roved over the smooth skin of his shoulders. My fingers pried into the muscles below his armpits. I pressed my head against the back of his neck and he pushed back against...