Push Man summary:

A lone man travels the country, projecting pornographic films for private individuals while attempting to maintain a normal home life. A medical student lives a secret life as a sperm donor, and finds his world turned upside down when his donations are rejected by the fertility clinic. A young couple's marriage is irrevocably affected when a sewer rat takes up residence in their home. The lives of two men become intertwined when one hires the other to observe his sexual escapades through a telescope. An auto mechanic's obsession with a female TV personality turns fatal after a chance meeting between the two. The volume consists of the short stories: Pirahna, Projectionist, Black Smoke, The Burden, Test Tube, Pimp, The Push Man, Sewer, Telescope, The Killer, Traffic Accident, Make-Up, Disinfection, Who Are You?, Bedridden, My Hitler