Wrapping his hands around John's hips and shifting his angle slightly, Jack thrust a little harder, jolting against John's prostate. He watched John's face, a grin curling the corners of his mouth at the abandon, at the pale stretch of John's throat.
"That's it, John, come undone, let go," he siad softly, leaning down to press a kiss against John's lips, teeth and heat and demand for response.