Personality traits

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Across
  1. 3. Subject to depression or sudden changes of mood (5 letters)
  2. 4. Focused on one's own interests, needs, and desires (11 letters)
  3. 5. Easily upset or angered (5-8)
  4. 9. Good-tempered and easy to please (4-7)
  5. 11. The most lively and entertaining person at a social event (4,3,4,2,3,5)
  6. 12. Relaxed and easygoing (4-4)
Down
  1. 1. Extremely confident and pleased with oneself (4,2,7)
  2. 2. Having or showing a great deal of knowledge (12 letters)
  3. 4. Having strong determination (6-6)
  4. 6. Lacking confidence (8 letters)
  5. 7. Having a strong desire to learn or understand new things (4,2,8)
  6. 8. Brave or adventurous (6 letters)
  7. 10. Showing fondness or tenderness (11 letters)