Answer:
I am what bring things together. Without me everything you see would be a total mass or debris everywhere.
I lose my head in the morning and regain back it at night.
The more I dry, the wetter I get. What am I?
I am needed for most animals and hardcover books
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?
When is it bad luck to see a black cat?