Otis Boykin. An ink drawing of Otis Boykin from a U.S. DEPARTMENT of Energy biographical sketch of 1979. Otis Bobby Boykin (August 29, 1920, Dallas, Texas â March 13, 1982, Chicago, Illinois) was an American inventor and engineer.
Without any fluids (either as sips, ice chips or intravenously) people with a complete bowel obstruction most often survive a week or two. Sometimes itâs only a few days, sometimes as long as three weeks. With fluids, survival time may be extended by a few weeks or even a month or two. With a bowel obstruction, things may go better than expected, but itâs important to prepare for sudden, unexpected changes.
The average person can only go for about three days without having  a bowel movement. The average person can hold their urine for about  10 hours.ow long can a person go without food? it depends on how much fat you have on your body,if your skinny maybe 20 days,but if your fat probally 40 days or maybe even more.