Answer:
You find me behind the stars; or in a sixth seventh or third. It takes something round a computer and me to make pie. I am bigger than anything you can think of.
The more you take of me the more you leave behind.
In my life I must bare, my bloodline I must share. What am I?
What has no beginning, end, or middle?
What jumps when it walks, but sits when it stands?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?