Answer:
You bind me and I walk. You loosen me and I stop. What am I?
I eat I live.I breathe I live. I drink I die.
There was a girl half my age when I was 12, now I am 66, how old is she?
People need me, yet they give me away every day. What am I?
A thousand wheels but move I do not. Call me what I am call me a lot.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?