Answer:
A mile from end to end, yet as close to as a friend. A precious commodity, freely given. Seen on the dead and on the living. Found on the rich, poor, short and tall, but shared among children most of all.
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen.
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
I never was, am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all, To live and breath on this terrestrial ball.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.