Answer:
I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?
Until I am measured, I am not known. Yet, how you miss me when I have flown. What Am I?
What gets wetter as it dries?
Light hides me and darkness kills me. What am I?
You throw away my outside, you cook my inside. Then you eat my outside and you throw away my inside. What am I?
What age most travelers have?