So many bathroom related ones idk
  1. Squeeze toothpaste from the middle of the tube
    Seriously how old are you
  2. Leave dishes in the sink
    Rinse and load, people!
  3. Use more than one paper towel in public restrooms
    Not kidding--one will suffice. Try it. It just takes a little longer.
  4. Wadding the toilet paper instead of folding