Lyric discussion by unes79 

The song is fundamentally about acceptance!! Soothing the one you have to walk away from. Acceptance of a loss and moving on but not in a maternal sense. About moving on, as though it is bittersweet to the writer/singer but tragic for the person they're walking away from and so they are trying to give them hope. It can't be about baby birds leaving the nest when the opening line is "Lover"! It's about a person leaving someone and trying to comfort them at the same time, which is in itself self absorbing to the writer and even harder for the person it's directed to. There is an anger in the writers tone if you listen to the words and melody. They're also wanting to be free. "When you see me fly away without you" He sings about freedom so well needed. So there for it can't be a mother. It's about grievance alright, but definitely a breakup grievance.

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