As they walked down an old farm road that joined their farm to that of the Joneses, he walked behind her most of the way, enthralled by the sway of her hips, the way her shorts fit so tightly on her bottom and her long, lean, exceedingly tanned legs. When he walked beside her and she turned toward him, he could see the tops of her tanned breasts. Every naughty thought he had ever had about his twin sister was multiplied a hundredfold. He knew he had never felt this horny in his young life and tried to tell himself that he had to control himself until they were able...