"I better go," Tiero says, pushing himself to his feet. "I have to feed the beasties." "Oh, you're on duty today? You shouldn't have come." "It's fine. "He waves away her protestations. "Nobody will notice if I'm away for such a short time." She watches as he drops down two branches to where the rungs reach. "See you later," she calls, and he looks up and waves. A few minutes later, she follows him back down the tree, heading for her own home.