But there was something else. I couldn’t see it - behind me were just broken white tiles - but something was there. Dread crept through me as I remained still, locked in a staring contest with my own reflection. I dared not move. The buzzing returned, a presence gripping my very being. It was as if I stood on the edge of a cliff, knowing full well that stepping off would be fatal. I knew that if I glanced slightly to the left of my shoulder, my life would be over.