Answer:
What type of house weighs the least?
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
As a stone inside a tree, I’ll help your words outlive thee. But if you push me as I stand, the more I move the less I am.
I am an instrument capable of making numerous sound but cannot be touched or seen.
You use a knife to slice my head and weep beside me when I am dead.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?