Answer:
I am essential to life on earth! I am split into thirds. Two thirds are the same. One of the thirds is 8. The other two are 1 each.
You use me from your head to your toes. The more I work, the thinner I grow. What am I?
Everyone has me and no one can lose me. What am I?
I am the second L in LOL.
I am a nut with a hole. What am I?
What is always coming but never arrives?