Answer:
I pass before the sun but make no shadow. What am I?
What has a bottom at the top?
I have a strong affection for belly buttons.
I am gentle enough to soothe your skin light enough to fly in the sky and strong enough to crack rocks.
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
Give it food and it will live, give it water and it will die.