The reason she volunteered as a hostage was merely to fulfill her duty. Given the situation at that time, she and Rowdy Brightwill were the only ones who could help. However, the criminals would never invite Rowdy Brightwill, a potential threat, so when they showed interest in her, she naturally stepped in to seek an opportunity to rescue the hostages.
For her, all of this was simply a matter of what should and shouldn't be done.
Janice Wood, feeling dejected, hadn't had a chance to ask about her situation when she saw Flossie heading for the door. She couldn't help but call out to her, "Where are you going?"
Flossie paused slightly, glanced at her, and replied indifferently, "Back to the cooking class."