But after a while, that too passes, and she and Jack go back to normal, as they have been before, which is to say that they, like all the other couples Kathryn has ever known, live in a state of gentle decline, of being infinitesimally, but not agonizingly, less than they were the day before.

To leave, after all, was not the same as being left.

Among other things, Kathryn knew, grief was physically exhausting.

The difficulty lay with the mind accommodating itself to the notion of the plane, with all its weight, defying gravity, staying aloft. She understood the aerodynamics of flight, could comprehend the laws of physics that made flight possible, but her heart, at the moment, would have none of it. Her heart knew the plane could fall out of the sky.

I have spent many hours on the beach collecting sea glass, and I almost always wonder, as I bend to pick up chunk of bottle green or a shard of meringue white, what the history of the glass was. Who used it? Was it a medicine bottle? A bit of a ship's lantern? Is that bubbled piece of glass with the charred bits inside it from a fire?

Once you tell your first lie, the first time you lie for him, you are in it with him, and then you are lost.