The Writing on the Wall

What is the fascination with writing on bathroom walls? Is there something about urinating that triggers a thought in the brain, "I must write something profound on the wall." I say "profound" in a very sarcastic manner. But if you ever need to find a good time, I am sure you can find a phone number to call in a bathroom stall.

Then I think to myself...... Why do I always read this garbage on the wall?