 By the end, he had over 100 drafts before he came up with the final version.Although it began as a song on the meaning of life, it later evolved into a song about the love between a father and his son, inspired by his relationship with his own five-year-old.Chuck Taylor, of "Billboard" magazine gave the song a mixed review, calling it "refreshingly more uptempo and optimistic than previous 'Superman' and '100 Years,' albeit still probing for the meaning of life."