Mental health and loneliness

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Across
  1. 3. the light at the end of the tunnel
  2. 4. synonym to "nice"
  3. 5. "sad"
  4. 7. "alone"
Down
  1. 1. helping a friend
  2. 2. somebody who is there for you
  3. 5. not connected
  4. 6. not having anybody to talk to