"Enough, Cass," Percy answered, trying not to let the words release his anger. "Stop worrying about what happened. We can talk later." He couldn't figure out what Cass is trying to say, but now was not the time to try to understand.
"Weeks, twenty days to be exact," he explained, although he wasn't sure that Cass was paying attention. "I'm going to let go and get you some water first. I'll be right here on the side. I'm not leaving the room. Don't try to get up." He disentangled his fingers from Cass's and then moves away. He filled up a glass and went back.
He took out his wand, and cast a spell to help Cass sit up, before he sat behind Cass. When the spell ended, he was ready to support Cass. "Here, drink."