Answer:
The root tops the trunk on this backward thing, that grows in the winter and dies in the spring.
Who has married many women but never has been married who is he
What can be seen but never found that only hides in the unwound?
What is never used unless it's in a tight place?
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
I'm the source of all emotion but I'm caged in a white prison.