You know what I think?” she says. “That people’s memories are maybe the fuel they burn to stay alive. Whether those memories have any actual importance or not, it doesn’t matter as far as the maintenance of life is concerned. They’re all just fuel. To the fire, they’re nothing but scraps of paper. It’s the exact same thing. Important memories, not-so-important memories, totally useless memories: there’s no distinction – they’re all just fuel.