Why are public toilets so loud?
Why are public toilets so loud? That's because it's the pressure of the water, not the volume, that increases the water's velocity. If that's not enough of the physics of flushing for you, here's more. Public restrooms also sound more thunderous because they usually have lots of metal and tile, the perfect surfaces to echo and magnify sounds.
Why do bathrooms give me anxiety?
Sometimes this fear is about being viewed by others in a negative way due to noise/smells, or it revolves around a sense of shyness/concerns about one's own bodily normal functions. For most of us this is not a problem.