We aren't haunted by the dead, but by the impossible reach of history. By how unknowable these others are to us, how unfathomable we'd be to them.
The whole damn century would've made more sense backwards. Where we ended is worse than where we began.
If everything else were still the same, he'd have felt Zee's absence like a gaping hole. But if he could continue to reconfigure his entire life, there would be no missing place where Zee had been.
By then there had been other men. She'd flung herself at other closed windows. The windows never broke, but her heart, at the end, was in splinters.