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?
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
What has to be broken before you can use it?
I can be swallowed But I can also swallow you.
I go up when the rain comes down. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?