If you thought the toilet paper one was trivial, you are really going to enjoy this one. I'm not sure how much more simple a question can be.
Bath or Shower?
Oh, and in case you are curious. Just ask yourself if you can envision a 400 pound man trying to climb out of a wet, slippery bathtub and you will have your answer. Although, if it was filled with $240 worth of pudding, I might. Now, if you will excuse me, I need to go whisper some sweet nothings.