Answer:
You went into the woods and got me. You sat down to seek me. You brought me home with yourself because you couldn't find me. What am I?
The eight of us go forth not back to protect our king from a foe's attack. What are we?
I build up castles. I tear down mountains. I make some men blind, but I help others to see. What am I?
I am an animal and a hair product
I save lives on the ground and in the air
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?