Answer:
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
People walk in and out of me. They push me and I follow. When they walk out on me I close up and I stay waiting for the next person to walk into my life when I have a more open mind
I can sizzle like bacon, I am made with an egg. I peel layers like onions, but still remain whole. I can be long, like a flagpole, yet fit in a hole. What am I?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
you hold my tail while I fish for you
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.