Answer:
I am in truth a yellow fork from tables in the sky by inadvertent fingers dropped the awful cutlery. Of mansions never quite disclosed and never quite concealed the apparatus of the dark to ignorance revealed.
I always go to bed with my shoes on.
lighter than feather and softer than silk yet the strongest man in the world cannot hold me for more than a few minutes.
What goes through towns and over hills but never moves?
I am all around yet to me you are half blind. Sunlight makes me invisible and difficult to find.
Give it food and it will live, give it water and it will die.