Answer:
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
I help engines spin and pants stay up
I start with an E end with an E and have a letter in me.
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.