Maturity and Immaturity & Kindness

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Across
  1. 3. weak or delicate
  2. 4. having to do with an infant or with that stage of life
  3. 7. too old to be useful or suitable
  4. 8. worthy of imitation; admirable
  5. 9. a person concerned with social reforms and improving human welfare
  6. 11. the medical study of the elderly and their diseases
  7. 13. worthy of great respect because of age or dignity
  8. 14. kind and gentle
Down
  1. 1. to fix or correct; to set right
  2. 2. long life or a long time spent at a job or an activity
  3. 3. inexperience; untried
  4. 5. childish; immature
  5. 6. a person who is one hundred years old or older
  6. 10. unselfish concern and actions for the welfare of others
  7. 12. just coming into existence; emerging