Redsand Canyon Cyberiad theory.

In her hazy dream-fog, Ruenna heard Towhee's voice without really hearing it. Her eyelids fluttered in the dim lighting as she fought her way into consciousness. She squinted at the figure standing in the doorway, blocking the light. 

"Towhee?" It was Towhee.. right? Her silhouette seemed a little bulky, but the familiarity of her bearing could hardly be mistaken by a friend as longstanding as Rue. "Hey." A smile formed on her wan features. 

It was quickly replaced by a look of sympathy as she caught sight and smell of Towhee's predicament. "Is the milk still driving you crazy?" she asked, recalling how frustrated Towhee had been with the issue. Rue could certainly see the annoyance with being wet and leaking all the time. Towhee had to feel like the last piece of cereal left floating in the bowl; a milk-logged mini-wheat, gorged and soggy.