What inspired Justin Bieber to write the song "Down to Earth"?

Explanation

Justin' song "Down to Earth" was released on 17 November 2009 and is included on his album "My World". The song contains the lines "So we fight through the hurt, and we cry and cry and cry and cry. Then we live and we learn, and we try". The song received rave reviews and was perceived to be the best song on the album, its serious topic setting it apart from the rest. Justin has explained that the song was inspired by the feelings he had during his parents' divorce.