The song is about being dumped by someone who is searching for a much younger lover, or possibly, fame and immortality, forcing both lovers to go their own way (heh heh, sorry) and resenting each other, with Buckingham actually passive aggressively saying: "I hope you fail."
The song is about being dumped by someone who is searching for a much younger lover, or possibly, fame and immortality, forcing both lovers to go their own way (heh heh, sorry) and resenting each other, with Buckingham actually passive aggressively saying: "I hope you fail."