Answer:
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
What is it something that you always have but you always leave behind?
The more you take, the more you leave behind.
What is the freedom of birds and the pen of old men?
I can be written, I can be spoken, I can be exposed, I can be broken.
What do angels sing in the shower?