Now! On Video! Harry, Watching His Grass Grow
LEAD: Dr. Wally Shaw, a respected anesthesiologist and America's top-ranking amateur film maker, thinks the problem may be biological, and the 35-year-old suburban male seems most vulnerable. By 35, the suburbanite's got himself a car, a house, an insurance policy, a couple of nice calendars from his agent and then, suddenly, this perfectly decent man gets a craving to bore and humiliate everyone dear to him.