: This was the first song Williams wrote entirely by himself, both lyrics and music, without his usual collaborator Guy Chambers.

: Williams stated he wanted his first-ever solo song to be about someone he loved. He also has a letter "B" tattooed behind his ear in her memory.

: The song concludes with a hopeful vision of reuniting, where he says, "Wasn't life sweet?" . Musical Guide for Performers Nan's Song by Robbie Williams - Songfacts

: He references her teaching him about "kings and queens" while stroking his hair, highlighting her role as an emotional anchor during his sudden rise to fame.