Derek Landy said this quote

Valkyrie patted Fletcher’s arm. “Don’t worry,” she said. “If the bad man comes, I’ll protect you.”“If the bad man comes,” Fletcher responded, “I’ll bravely give out a high-pitched scream to distract him. I may even bravely faint, to give him a false sense of security. That will be your signal to strike.”“We make a great team.”“Just don’t forget to stand in front of me the whole time,” he said.