Why did Avril Lavigne wrote head above water?

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Tags

1. #during
2. #lyrics
3. #piano
4. #singer
5. #above
6. #difficult
7. #wrote
8. #single
9. #battle
10. #basically
11. #disease
12. #emotionally
13. #called
14. #scary
15. #asking
16. #prayer
17. #revealed
18. #through
19. #tries
20. #avril
21. #ballad
22. #released
23. #water
24. #lavigne