Footprints Without Feet

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Across
  1. 6. ordinary
  2. 8. spying
  3. 10. muscular pain in the lower part of the back region
  4. 11. rough or confused struggle
  5. 12. low guttural sounds
  6. 14. piercingly
  7. 15. a watery discharge
Down
  1. 1. laughed quietly
  2. 2. attractive
  3. 3. extremely worried
  4. 4. lacking in energy
  5. 5. without boasting
  6. 7. prescribed course of exercise and diet
  7. 9. insincere praise
  8. 13. flexible