after taking the tour of the two bedroom , one bath thirties bungalow with its neglected carpets , dirty blinds , and burned-out light bulbs , after clicking a button so that millions of pixels of light will record the decline , after bouncing an infrared beam off old walls hung with young faces to determine within a tenth of an inch the dimensions of the rasling nest , lex accepts mikes offer to sit on a disconcertingly low couch .