Hello! Random person coming to you with poop-facts! (I saw your post on my friends-of-friends list, hope you don't mind a comment. :) ) The average person has three days of poop inside of them! Long ago, my science teacher described it like a train with two cars: When a new car arrives at the back, it pushes the forwardmost car out, so there are always three cars.

*the more you know~*