want to be happy? Don't make this mistake

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Across
  1. 2. visualize
  2. 3. surroundings
  3. 7. concentrate
  4. 9. error
  5. 10. issues
Down
  1. 1. joy
  2. 4. ultimately
  3. 5. influencing
  4. 6. laboring
  5. 8. rejuvenated