Holden's Valentines Day Jumble and Questions too

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Across
  1. 3. Fun made from parts
  2. 4. Best friend
  3. 12. Middle Earth
  4. 14. Are you my mother?
  5. 15. Melody Pond in Gallifrey
  6. 16. Favorite Babysitter
Down
  1. 1. Someting to play without playing
  2. 2. Zombie .....
  3. 5. Of the shire
  4. 6. Catch them all
  5. 7. Why won't he tell us his name
  6. 8. "esomeaw" at playing video games
  7. 9. Favorite from the dino days
  8. 10. 22
  9. 11. Exterminate!
  10. 13. Super hero power
  11. 15. At bedtime or any other time