Dr Jekyll and Mr Hyde

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Across
  1. 5. - Exceeding all bounds
  2. 7. - skeptical
  3. 9. - Acting or done for another person
  4. 11. - Well suited-ness
  5. 12. - Serious and dignified
Down
  1. 1. - Composure
  2. 2. - Profane, offensive to sacred thing
  3. 3. - Show off
  4. 4. - A disease, a disorder or an ailment.
  5. 6. - Arrogantly domineering
  6. 8. - A copying fashion
  7. 10. - A bit miserly or sober