Answer:
This is a shape and a symbol that we literally cannot live without. What is it?
The line a runner strives to reach
You'll have to consult an optometrist if you want to improve this.
I start with βeβ end with βeβ. I have whole countries inside me. What am I?
What loses its head every morning only to get it back every night?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?