Why Is the Universe So Big and We Are So Small?

In order for us to have physical bodies, they need to be made out of certain elements like carbon and oxygen. To get them from stellar nuclear synthesis, which is the process by which stars convert hel m and hight hydrogen and helium into heavier elements,. And in order to get them to release those elements, the stars need to go bang. So we need a big universe where stars go bang, but they aren't that close together. You need things the way god chose to set up the laws of this universe.