Mirror
The worst riddles are those that does not have walls to limit your imagination, and because of that you must to see certain parts of yourself that you do not want recognize as yours in first place. So, you are over the bed, asleep in the very same reality where you breath, taking a breath til you can.
You approach your feet to the ground, because you are tired of be rest, then face the wall against you, wall marked with.. no, are not markes, are cracks, cracks that inspire you some feelings in which you do not have words to express it.
What are you watching?...cracks?