In my humble opinion, love is when a person believes that he, she or it can't live without some other he, she or it...I said believes. No one actuall… - Gabrielle Zevin

No one actually needs another person or another person's love to survive. Love is when we have irrationally convinced ourselves that we do.

Sam used to say that Marx was the most fortunate person he had ever met — he was lucky with lovers, in business, in looks, in life. But the longer Sadie knew Marx, the more she thought Sam hadn't truly understood the nature of Marx's good fortune. Marx was fortunate because he saw everything as if it were a fortuitous bounty. It was impossible to know — were persimmons his favorite fruit, or had they just now become his favorite fruit because there they were, growing in his own backyard? He had certainly never mentioned persimmons before. My God, she thought, he is so easy to love.

They had only ever discussed books but what, in this life, is more personal than books?

It was never worth worrying about someone you didn't love. And it wasn't love if you didn't worry.