Comment Tycho Brahe... (Score 2) 229
Don't be too polite, and go if you have to!
"According to Kepler's first hand account, Tycho had refused to leave the banquet to relieve himself because it would have been a breach of etiquette.[20][21] After he had returned home he was no longer able to urinate, except, eventually, in very small quantities and with excruciating pain. "
http://en.wikipedia.org/wiki/Tycho_Brahe#Death