Sharing a bathroom can be tough. Between the paper, the sink, and the room's general cleanliness, there's a lot that could go wrong that might be a little -- uh -- sensitive to discuss face-to-face.
Luckily, the toilet note exists. You know, the thing your roommate or coworker tapes up on the wall instead of breaching all of that potty stuff with you.
Check out some of our favorites below.