Answer:
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
I am always around you but often forgotten. I am pure and clean most time but occasionally rotten.
I am an instrument you can hear but cannot touch or see. What am I?
With a halo of water and a tongue of wood; stone as skin long I stood.
Things here are usually tagged with red stickers.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?