Funny how we take it for granted that we know all there is to know about another person, just because we see them frequently or because of some strong emotional tie.
Robert BlochThen she did see it there - just a face, peering through the curtains, hanging in midair like a mask. A head-scarf concealed the hair and the glassy eyes stared inhumanly, but it wasnโt a mask, it couldnโt be. The skin had been powdered dead-white and two hectic spots of rouge centered on the cheekbones. It wasnโt a mask. It was the face of a crazy old woman. Mary started to scream, and then the curtains parted further and a hand appeared, holding a butcherโs knife. It was the knife that, a moment later, cut off her scream. And her head.
Robert Bloch