Charlie waited for Percy to snap that Charlie was an idiot for not believing him in the first place but it didn't come. He realised he shouldn't have expected it. Percy wasn't exactly the mouthiest of his siblings.
"Yeah well... I'm not so sure I am," Charlie replied honestly. He couldn't help his guilty expression, "He doesn't know why he's here and we can't help him. It's... It sort of feels worse somehow."