"Why would I need a break from something I like?" Percy asked confused. He understand Cass' need to make him stop working -- actually he didn't, but he understood even less why breaks were necessary. He went to sleep at home every day.
"You are very good at not listening. I'm well aware of that," Percy added with a smile. "I'm sure you'll find plenty of ways to pass your time. Bones should be out there. I'm sure you can stare at her for a while."