Been there, done that, got the tee shirt...
The one thing you want to avoid is the result of the gastro-intestinal workings of a duck blind breakfast of sausage, biscuits, gravy, and eggs followed by a chili dog lunch. If there are still ducks coming into the alley, you will soon find yourself with a balloon of methane gas infiltrating the neoprene which results in a condition of the wader fabric commonly known as "perma-phart..."
However, the release of fluids to which you refer does have the advantage of keeping your feet warm... at least for a while...