Evan is the little branch growing out of the cliff that she clings to, and the fact that he's gone makes her hang on even tighter.

He knocks once against the side. I don’t get it at first, and then I laugh.
Let’s establish a code for when you want to go all creeper on me. One knock means you’d like to come in.
“Yes, Evan.” I’m laughing so hard, it’s starting to hurt. “You can come in.

Thinking about the bacon- the potential of bacon- gives me hope. Not all is lost if bacon isn't.

He lays me on the bed. I say, right before he kisses me again, “If you kiss me again, I’m going to knee you in the balls.”
His hands are incredibly soft, like a cloud touching me.
“I won’t let you just…” He searches for the right word. “…fly away from me, Cassie Sullivan.”
He blows out the candle beside the bed.
I feel his kiss more intensely now, in the darkness of the room where his sister died. In the quiet of the house where his family died. In the stillness of the world where the life we knew before the Arrival died. He tastes my tears before I can feel them. Where there would be tears, his kiss.
“I didn’t save you,” he whispers, lips tickling my eyelashes. “You saved me.”
He repeats it over and over, until we fall asleep pressed against each other, his voice in my ear, my tears in his mouth.
“You saved me.

And far more dangerous than greed or lust or envy or any of those things—or anything—was love.

When I wake up the next morning, there's a Hershey's Kiss sitting on the table beside me.