Whatever the scenario, the bottom line is you're busting for a pee and your pee for as long as possible and then finally going to the toilet.
When you get to a restaurant or public place and immediately head straight to the bathroom. Similar to "making a beeline" towards something.
The bean-shaped kidneys, each about the size of a child's fist, are essential to our health. Their most important role is to filter blood and produce urine.