Billy swore, arching his back. They were losing that slow sweetness, building toward something even more physical, the sounds of their bodies meeting starting to fill up the room. Billy flushed from that, the noise of their coupling. It was that, as much as Goodnight's encouraging, soft, gravely voice that tipped him over the edge. He lifted a hand and covered his mouth, a noise slipping out of him that was needy and loud as he came.