Crossing emotions

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Across
  1. 4. I shall appear when you remove my first man from danger
  2. 5. cozy in the beginning, burns in the end
  3. 6. gentle-mans behaviour
  4. 9. gents working with Intell possess this
  5. 10. giving this saves from all dangers
Down
  1. 1. is the best life ensurance policy
  2. 2. extra classes for extra In-telligence
  3. 3. wipes out the entire world of sadness
  4. 7. madness will come if you change my initial
  5. 8. attaching the F-wing gives it flight