Answer:
Even if you throw it away, it still comes back.
What gets broken without being held?
You might accuse someone living with a stolen identity of being this.
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?