Look in the mirror. The face that pins you with its double gaze reveals a chastening secret. You are looking into a predator's eyes. Most predators have eyes set right on the front of their heads, so they can use binocular vision to sight and track their prey.
Bio: Charles "Chuq" Von Rospach is a science fiction writer and critic, and was at one time a frequent and well-known contributor to the newsgroup rec.arts.sf.written.