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Across
  1. 2. To be comfortable, relaxed
  2. 6. To be the cause of true and lasting happiness
  3. 7. Likes to chase mice
  4. 8. To have a sense of gratitude
  5. 9. Man's best friend
Down
  1. 1. Large marsupial
  2. 3. Has a trunk
  3. 4. Feeling extremely happy
  4. 5. To be extremely delighted and happy
  5. 6. Flying mammal
  6. 7. To be extremely happy