Answer:
What is made of wood but can't be sawed?
Only two backbones and thousands of ribs.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
It is more feared than fear itself, And no one can escape it. It takes no sides and does not judge, it does not know to hold a grudge. It is the most clearest result, Of how life beats you by default.
What dress does everyone have, but no one wears?
When is it bad luck to see a black cat?