Ever dined out with a friend whose attention to the conversation started to drift just when the coffee and dessert were kicking you into hyper drive? They may have been watching your waiter tally up your tab, the better to make their critically timed and lengthy visit to the restroom, thereby leaving you and the check alone to get better acquainted. The timely incontinent wants you to do the right thing ("My treat!") without ever suspecting their true motive. After all, we all must answer nature's call, right?