People in glass houses shouldn't throw stones

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Across
  1. 4. Where many a dream is made
  2. 5. They are womb mates
  3. 6. "I've struck gold!"
  4. 9. Keeps your tresses from messes
  5. 11. The applause of thunder
  6. 13. The tree that weaps
  7. 14. Their counseling services usually come with a drink
  8. 15. Farmers have it coming out of their ears
  9. 16. What you used to do to cupons
  10. 17. The plant worlds imitation of a porcupine
  11. 19. What you get after eating cold ceral and cold pizza together
Down
  1. 1. Their income is written in stone
  2. 2. The beaver's ugly cousin
  3. 3. Don't follow them over a cliff
  4. 4. Too young to know better
  5. 7. Grotesque artwork on cathedrals
  6. 8. Perfect places for dangling gems
  7. 10. Urban winged nusance
  8. 12. Frankenstein might be offended being called one
  9. 15. What policemen call their dogs
  10. 16. Lettuce's huskier relative
  11. 18. A job done hastily or a type of sandwhich on a bun