Years ago, in a critique of one of my fictional works, a major plot hole was pointed out to me that involved toileting of all things. You read that right, folks. I had an issue related to the poohs and wees.
So here’s the scenario: two warriors were being held prisoner, their hands and feet bound. Within the original story timeline, they were bound for two weeks, but at least were feed and watered. Not once did the narrative mention anything about the characters being allowed to relieve themselves.