You are in a deep dream when suddenly you feel a mysterious presence. You strangely feel at peace, but at the same time vulnerable, eventually this presence speaks.

"You Are about to enter an alternate reality that is very different from your own. In your own world, you were raised since around two years old to pee into a strange bowl under a seat like contraption, with water that would carry your waste down pipes when you are finished. This contraption is found in private rooms, often separated into cubicles and segregated by gender, if within a public building.

Of course you didn't need me to tell you that, but here's the point. That's not going to be how you pee, when you wake up from this dream, you will find yourself in a reality where people pee...