As Jane Austen might have put it: It is a truth universally acknowledged that young protagonists in search of adventure must ditch their parents.
She wondered whether there would ever come an hour in her life when she didn't think of him -- didn't speak to him in her head, didn't relive every moment they'd been together, didn't long for his voice and his hands and his love. She had never dreamed of what it would feel like to love someone so much; of all the things that had astonished her in her adventures, that was what astonished her the most. She thought the tenderness it left in her heart was like a bruise that would never go away, but she would cherish it forever.
It's not my business to remedy deaths! It's my business to tell stories. Lyra and the other heroines didn't come with placards saying, "Make this a feminist story!" I'm glad people enjoy seeing a female protagonist in a big adventure story, but I didn't do it for political reasons.