"Tomorrow." Erwin is exhausted too--it's the heat, he thinks--but he's not going to let Levi get started on a cleaning frenzy. Once that begins, it doesn't stop until the place is spotless, and that could take hours. "We're both too tired to start that now."

He walks up to Levi and puts his hand on his back, between Levi's shoulder blades. "Come on. Get some rest, and I'll help you clean tomorrow."