Answer:
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
I can run but not walk. Wherever I go thought follows close behind.
What type of dress can never be worn?
What do people spend a lot of money on every year, but never want to use?
No matter how little or how much you use me, you change me every month.