She cared about him too much, and he was a dangerous person to love. He wouldn't love her back.

What if people knew they were recycled? Would that change anything?

Marnie hated to see her spend so much of herself on someone who didn't care.

she never showed girly weaknesses like cellulite or crushes. she never lingered on injustices committed against her.

You thought you had the choice to stay still or move forward, but your didn't. As long as your heart kept pumping an your blood kept blowing and your lungs kept filling, you didn't. The pang she felt for Tibby carried something like envy. You couldn't stand still for anything short of death, and God knew she had tried.

Blood may be thicker than water, but friendship is thicker than both.

The happiness at getting what you want is not usually commensurate with the worry leading up to it.