Answer:
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
Soft, hairy, from door to door. I am the pet that always stays on the floor. What am I?
Without me everyone would lose their head.
I am a daily ritual involving using a metal tool on the body
I can go through glass without breaking it.
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.