Pretty sure it's about Liam - she's stated most of the songs are about him on this album and if you listen closely, maybe he's getting fed up with everything she's doing so he wants to leave, but she doesn't want him to, so she's willing to give up her career for him.
Pretty sure it's about Liam - she's stated most of the songs are about him on this album and if you listen closely, maybe he's getting fed up with everything she's doing so he wants to leave, but she doesn't want him to, so she's willing to give up her career for him.