Answer:
I'm tall when I'm young and I'm short when I'm old. What am I?
I am cracked by Indiana Jones.
I make a loud sound when I'm changing. When I do change I get bigger but weigh less. What am I?
What room do ghosts avoid?
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
No matter how little or how much you use me, you change me every month.