“We were supposed to grow old together, Dolores. Have kids. Take walks under old trees. I wanted to watch the lines etch themselves into your flesh and know when each and every one of them appeared. Die together.”

“We'd die here, old together, safe with each other's secrets. We were each other's juvenilia”

“Some lovers were fortunate enough to grow old together. They’d grown old apart. She did not think him any less handsome. She only wished that she’d been there when the first line on his face had appeared, so that she could have stroked and kissed and cherished it.”

“We grew up together but we won't grow old together.”

“He stood up, put the tree back under the grow light. 'There. That's what's going to happen to us. It's called grafting. Taking something from one place and fixing it to another until they grow together. We didn't start from the same tree, but we're going to grow together like we did.”

“The old poems said that lovers were made for each other. But that wasn't true for Kai and Elliot. They hadn't been made for each other at all—quite the opposite. But they'd grown together, the two of them, until they were like two trees from a single trunk, stronger together than either could have been alone.”