Lovely

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Across
  1. 3. mystery we've yet to crack
  2. 4. peanut butter partner
  3. 7. meal that set off the smoke detector
  4. 8. "actually" or lifeless rear
  5. 9. michigan accommodation
  6. 11. an anxious pup
  7. 13. song to guide you through the mountain
  8. 14. "haaaaave you met ______?"
  9. 15. place to bring your dad
  10. 16. title where you "look down" before seeing "stars"
  11. 17. the first vicar
  12. 19. olaf living arrangement
  13. 22. movie theater date title
  14. 23. fuel-up spot, or reindeer wannabe
  15. 26. our city
  16. 27. descriptor for this puzzler that aptly rhymes with "booty"
Down
  1. 1. call to get off the ground
  2. 2. MONSTER _____!!!
  3. 3. One also feeling 22
  4. 5. sign shared with Lisa
  5. 6. theme of this puzzle, informally, adorably
  6. 10. first show we watched together (with 'the')
  7. 12. study spot for my smarty
  8. 13. uh oh...
  9. 18. Cardio burns fat, right?...
  10. 19. reminder of you that I keep in my car
  11. 20. call to get off the ground
  12. 21. message for the puzzler
  13. 24. occasion celebrated today
  14. 25. host of many runs