Answer:
When the son of the water returns to the parent, it dies. What is it?
Lighter than what I am made of, More of me is hidden Than is seen.
It is a sound of empty, speak and it'll talk back plenty. But all the more you yack, you'll get the same words back.
The sharp slim blade, that cuts the wind.
When I get closer my tail grows longer, but when I go away my tail leads the way.
What do angels sing in the shower?