Let’s be real: Peeing in the shower can be a pretty convenient way to empty your bladder. Not only are you saving a minute or two on the toilet (time is precious, y’all), but a case could be made that ...

If you’re pressed for time, or just a well-hydrated person who pees a lot, you might be tempted to hold all that liquid in for a while—and then beam it out fast when you finally hit the toilet. But ...