Answer:
My second is performed by my first. A thief by the marks of my whole might be caught. What am I?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
First I may be your servant's name; then your desires I may proclaim; And when your mortal life is over hold all your wealth within my power.
I go from house to house a messenger small and tight. Whether it rains or snows I sleep outside at night.
Cloud is my mother. Wind is my father. I come down but never go up. What am I?
I flow from the Homerβs mouth when he sees doughnuts.