before she realized she had a reason to live.
She has certainly grown. So we are going to learn a lot lot more. Like maybe the truth of what happened to "Bernie Sigel", most like knocked off by the Aunts, all of them including the one she thought was her mother.
yes, Hailey is a developing character, responding well to the challenges of her life...but now this -
Well, sometimes not all the mysteries of life are solved and questions may persist. A good author will answer the essential ones, but a novel should reflect life - not everything is neatly completed, like brown paper packages tied up with string. Sometimes, we must forego the bow :)