Nature Calls?

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Across
  1. 2. "__________, all I ever wanted"
  2. 4. Your eldest sister, informally
  3. 5. Sounds like "whiff" when spoken by a Cockney
  4. 7. High, rectangular US state
Down
  1. 1. Over the shoulder __________ holder
  2. 3. Exciting escapade
  3. 6. In the direction of