" At one chew per second, the Fletcherizing of a single bite of shallot would take more than ten minutes. Supper conversation presented a challenge. “Horace Fletcher came for a quiet dinner, sufficiently chewed,” wrote the financier William Forbes in his journal from 1906. Woe befall the non-Fletcherizer forced to endure what historian Margaret Barnett called “the tense and awful silence which . . . accompanies their excruciating tortures of mastication.” Nutrition faddist John Harvey Kellogg, whose sanatorium briefly embraced Fletcherism,* tried to reenliven mealtimes by hiring a quartette to sing “The Chewing Song,”† an original Kellogg composition, while diners grimly toiled. I searched in vain for film footage, but Barnett was probably correct in assuming that “Fletcherites at table were not an attractive sight.” Franz Kafka’s father, she reports, “hid behind a newspaper at dinnertime to avoid watching the writer Fletcherize. "

― Mary Roach , Gulp: Adventures on the Alimentary Canal