You wake up after a night of terrible dreams and find yourself covered in sweat. You sit up and look yourself over and find your body stil normal. When you look about you realize that the day before was not a dream and a chill runs down your spine. You dress and make the bed.
You sit down in the easy chair in the room to find when you sat down something stick you.
"Can't they ever let up" You cry out in frustration.
Then there is a small feeling of pain at the base of your rear. You reach back and rub the spot to find a soft spot. It soon becomes a small bump. Under your clothes you feel it grow, twitching underneath the cloth. You feel its hair grow out and rub against the skin of your butt. It slowly strains against the back of your pants. Pushing to find its way out you feel it strain against the back of your pants. Slowly the pain gets more and more intense until the Thing presses hard against the cloth. Seams strain and then snap apart and a long horse tail frees itself on his rear.