He moved on down the alley, his feet walking forward and his brain swimming backward through a sea of time. It was a dark sea, much darker than the alley. The tide was slow and there were no waves, just tiny ripples that murmured very softly. Telling him about yesterday. Telling him that yesterday could never really be discarded, it was always a part of now. There was just no way to get rid of it. No way to push it aside or throw it into an ash can, or dig a hole and bury it. For all buried memories were nothing more than slow-motion boomerangs, taking their own sweet time to come back. This one had taken seven years.