who am I?

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Across
  1. 6. Expecting good things to happen
  2. 7. Not scared
  3. 8. Willing to help other people
  4. 10. Not dirty
Down
  1. 1. Having, showing, or expressing strong emotions or beliefs
  2. 2. Good and truthful
  3. 3. Having or showing a kind and quiet nature
  4. 4. Not feeling strong emotions
  5. 5. Not mean
  6. 9. Humorous