Billie Eilish has explained how Olivia Rodrigo inspired her song ‘Goldwing’.During a new interview with the LA Times, Eilish, 21, spoke about how the ‘Guts’ singer-songwriter, 20, and how she feels “protective” over her.“I think everybody’s experiences are so individual,” she told the outlet. “Nobody has had anybody else’s life, you know? But I do feel a protectiveness over Olivia.”Eilish continued: “I have a song called ‘Goldwing’ from my last album [2021’s ‘Happier Than Ever’] that’s kind of about her.”She added: “It’s not only about her. I was just thinking about her when I was writing it.