She had almost not been there to watch it.

What It Means to Come Back — and What Emily Wants People to Understand
There is a particular kind of grief that comes when you survive something that was designed to end you.
It is not simple grief. It is not clean. It moves through you at strange times — while you are making coffee, while you are watching Ethan do homework at the kitchen table, while you are driving on ordinary roads and your hands tighten on the wheel without your permission.
Emily knows what that grief feels like.
She also knows something that took her longer to understand: that the darkest part of what happened to her was not the mountain road or the hospital room or even the moment she heard her sister’s voice in that room saying what she said.
The darkest part was the years before.