Buttercup would often sniff with disdain at Sina's disapproval of the dead birds. If she didn't like them, she could get out of her soft nest and start hunting her own.

Buttercup doesn't mind her using him as a pillow, and that her books are comfortable while she is petting him is clearly an advantage. Besides, the extra food is nice, although the skinny kitten needs more meat.

Which was why he bit the tall Angry Keeper of him to follow him down to the Sick One's tent. She needed meat, the Angry One always had meat.

So that was how Katniss met Sina, when she stuck her head into the tent, glowering at Buttercup. "Demon cat! This is not - oh - ah - sorry. Buttercup ran in here and ... is ..curling up with you."

What?