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?
You can see it everyday, but cannot touch it at will. What is it?
I save lives on the ground and in the air
Although I may have eyes I cannot see. I have a round brown face with lots of acne.
The warmer I am the fresher I am.
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?