Answer:
No matter how little or how much you use me, you change me every month.
I am an instrument capable of making numerous sound but cannot be touched or seen.
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
What flies without wings?
I am a small paradise surrounded by dryness and heat.
What can you lose that will cause other people to lose theirs too?