In principle, I agree with that but in practice; when you've got to go, you've got to go. I have been nauseated every time I entered a public lavatory where wa

In principle, I agree with that but in practice; when you've got to go, you've got to go. I have been nauseated every time I entered a public lavatory where waterless urinals were installed. I have certainly avoided those lavatories in the future but once I'm nauseated, the damage is done.