The way Roman's tense shoulders sagged when El Melloi II bought that is a certain indication he uses Ritsuka as a cover-up. He feels a little guilty to hide his secret when he just opened up to him, but this is about the other man. His consultation. It'll be unprofessional to burden him with his secrets.

"You're not a liability," Roman corrects him lightly, "And I'm thinking about scheduled sessions in the simulator." He pauses to slice a portion of cake. "Every time Ritsuka needs to practice."