Answer:
What falls down but never gets hurt?
The more you have of me, the less you see. Who am I?
Low on cash? Pick out items from this rack.
Sometimes imaginary and sometimes real, sometimes they are the closest and dearest person outside the family. Who are they?
It's been around for millions of years, but it's no more than a month old. What is it?
I'm the source of all emotion but I'm caged in a white prison.