Stephen would probably be more embarrassed about it if he wasn't already used to the idea that Peacekeepers were reading them. He's a little embarrassed, yes -- it's different when it's someone you know -- but it's not a deep-seated sense of privacy violation. It's just like ugh, seriously? Awkwaaard. "No one asked you to read my messages," he gripes. "Don't be gross. Jeez, is there anyone in the Capitol who isn't reading my communicator?"

Even as he's complaining, though, he's thinking. His first instinct is to tell Cyrus to stop, but he can't do that, can he? Not without raising questions that Stephen doesn't want asked. He doesn't want Cyrus thinking that Stephen's thinking. It would be better, as gross as it is, to pretend he doesn't know. And actually... "Now that I'm thinking about it, that might be useful eventually. The Peacekeepers read everything, but they've got so much to go through all the time. If Cyrus is keeping tabs on my device personally--" ugh-- "then we've got, basically, a direct line to the government. It can't look like I'm deliberately spreading misinformation, so we can't use it often, but..."