The roof of my mouth felt normal and cold. But the mirror shook in front of me, and all around me everything was moving; thin rings were forming on the water surface in the sink. The honey fungus rocked by the bath’s rim. The grass tufts between the floorboards swayed gently. I turned off the tap and listened. There was a thump that sounded like it came from inside the concrete. When I put my ear to the wall, I heard a soft knocking sound, through the cistern rush.