"Marvin thought of his bowel movements as BMs, a phrase he'd heard an army doctor mutter once. His BMs were turning against him, turning violent in a way. He and Eleanor went through the Dolomites and across Austria and nipped into the northwest corner of Hungary and the stuff came crashing out of him, noisy and remarkably dark. But mainly it was the smell that disturbed him. He was afraid Eleanor would notice. He realized this was probably a normal part of every early marriage, smelling the other's smell, getting it over and done with so you can move ahead with your lives, have children, buy a little house, remember everybody's birthday, take a drive on the Blue Ridge Parkway, get sick and die. But in this case the husband had to take extreme precautions because the odor was shameful, it was intense and deeply personal and seemed to say something awful about the bearer.