I have felt this same way so many times. The relief of getting back to your domain (your seat) and knowing you don't have to do that for a while is amazing. Then you feel it...that inconveniently timed urge to pee...and it all starts again.
WHAT. WHAT JUST HAPPENED. I CANT. WAHT. Okay, I have now passed the stage of shock. Now onto the stage of actually getting the humor in it. OH MY GOD GUYS. I CANNOT STOP LAUGHING. THIS IS GETTING TO BE SHERLOCKIAN-LEVEL INSANE.