Answer:
What goes all around the world but never leaves its corner?
The shorter I am, the bigger I am. What am I?
I am a shimmering field that reaches far. Yet I have no tracks and am crossed without paths.
I will go within you and destroy you. Only because you wanted me too
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
No matter how little or how much you use me, you change me every month.