Crossword puzzle challenge

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Across
  1. 3. I am lighter than a feather, but you cannot hold me for long.
  2. 5. The only place where "Success" comes before "Work".
  3. 7. I am so fragile that if you say my name, you break me.
  4. 11. It belongs to you, but your friends use it more than you do.
  5. 12. I have no mouth, but I always reply when you speak to me.
  6. 14. Describes a person who wrote a book but refused to sign their name.
  7. 15. If you have me, you want to share me. If you share me, you lose me.
Down
  1. 1. I have thousands of stories, but I cannot speak.
  2. 2. Poor people have it. Rich people need it. If you eat it, you die.
  3. 4. I die often, but I never live. I have a positive side and a negative side.
  4. 6. Give me food and I will live. Give me water and I will die.
  5. 8. I have a face and hands, but no arms or legs.
  6. 9. Describes a superhero power where you cannot be seen.
  7. 10. I can be broken, but I can never be held or touched.
  8. 13. The more you take out of me, the bigger I become.
  9. 14. To use me, you must throw me away. To save me, you pull me back.