Answer:
Who has married many women but never has been married who is he
What kind of nut is empty at the center and has no shell.
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
What has roots that nobody sees, and is taller than trees. Up, up it goes, and yet it never grows.
What has 13 hearts but none beat?
Often cooked as fillet, this meat comes from an animal that swims underwater.