So then using that same metric to answer your question about showers, I think it’s fair to say that showers are absolutely not necessary. Nice, sure. Perhaps necessary according to social norms, probably. Required for a normal life span with average levels of health? Nah.

cheese_goddess, if I ever get you to see the validity of veganism, or at least cede a point, I’ll die a happy person. I don’t see that ever happening though. You are my HN veganism white whale.