I can just imagine.I leave a French restaurant,overpriced,the service is lousy,and full of frog legs,caviar.and snails with a fancy name.I walk out into a throng of 3 million.and then it hits you.You get the sudden urge to use the bathroom.[not #1 but #2]What would you do?But,like you said,when in Rome,etc.Yec!
The only alternative is to buy Depends.