Not for the polite or easily offended

(I sincerely urge you not to read this if you are in the above category)

Occasionally,
   on a mild afternoon,
You may travel to a calm place 
Fitted with cool smooth marble
And, there, let a stream of clear liquid
Eschew gently from beneath you
So serenely 
That it encourages you to pen
Just a few words
On peeing.