“That is ridiculous," she said.
The king agreed. "Like falling in love with a landslide. Only you could fail to notice.”

“The only way you would have failed," she said, "is if you had.”

“Could you fall in love with her if she wasn't smarter than you? I mean, she may not be smarter than you. But isn't it important for you to think she is smarter than you in order to fall in love? Think now.”

“When you are a king, you may make as many ridiculous laws as you like. That is what being a king is all about.”

“She wears trouble like a crown. If she ever falls in love, she’ll fall like a comet, burning the sky as she goes.”

“Reader, you may ask this question; in fact, you must ask this question: Is it ridiculous for a very small, sickly, big-eared mouse to fall in love with a beautiful human princess named Pea?
The answer is… yes. Of course, it's ridiculous.
Love is ridiculous.”

“Hey, what is this,” he asked.
“I guess maybe you could call it like love,” Caroline said.
“Whaddaya mean, love?” Chet asked. “Your contract expressly forbids you to fall in love during the duration of your tenth kill, and it furthermore explicitly forbids you to fall in love with your Victim.”
“Love,” Caroline said coolly, “existed a long time before contracts.”

“I will not fall in love with you," she said. "I can't let myself. I won't."

"That's all right. I'll love you enough for the both of us.”

“…she would fall in love with me again, just like she had a long time ago. And that's the most wonderful feeling in the world. How many people are ever given that chance? To have someone you love fall in love with you over and over?”

“but she realized that she wanted him to know her. She wanted him to understand her, if only because she had strange sense that he was the kind of man she could fall in love with, even if she didn't want to.”