What makes happiness

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Across
  1. 3. Time of year when melatonin levels are high (In the NortNorthernpisphere)
  2. 4. Musical Jazz Instrument: Abbr.
Down
  1. 1. A pet when young (Specifically)
  2. 2. What finishes the word: Straw, Black, Blue, Rasp
  3. 5. Most loved fruit in Mexican restaurants