One knot...simple...easy.

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Across
  1. 2. great height
  2. 6. your wife dislikes these
  3. 7. 44.3307 N, 83.6674 W
  4. 8. direction of magnetic north and bearings from it
  5. 11. time in morning when sun appears
  6. 12. first Christmas
  7. 13. exciting time piece
  8. 14. You_Me
  9. 15. weight of air
  10. 18. our favorite color
  11. 19. number of furbabies
  12. 20. time in the evening when the sun disappears
Down
  1. 1. our first half marathon
  2. 3. favorite dinner
  3. 4. "Marry me"
  4. 5. what we love to do the moistest
  5. 9. impervious to H2O
  6. 10. the degree of intensity of heat present
  7. 11. wife's nickname for you
  8. 16. our day
  9. 17. number of girls we have