Answer:
With three leaves, I am just a plant. Add another leaf and everyone will want me for good luck. What am I?
I start new then become old. Start clean but become dirty. I usually start big then become little. What am I?
What can you lose that will cause other people to lose theirs too?
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
What do you call a bear in the rain?
What did the piece of wood say when he saw the screwdriver and screws approaching?