I think the song is about a family, the siblings all have dreams and the desire to leave home though they later realize that they miss what they had and that they can never get it back because they are grown and no matter how much she holds onto it, it is slipping away.
I think the song is about a family, the siblings all have dreams and the desire to leave home though they later realize that they miss what they had and that they can never get it back because they are grown and no matter how much she holds onto it, it is slipping away.