"I don't know what you're talking about." Another lie, obviously, and he's even more annoyed now that Dimitri has guessed what he's aggravated about, but whatever it takes to get him to stop asking about it is worth it.

...and then Dimitri's asking him to actively look at Claude, so he braces himself and glances over. Fortunately, Claude is at least wearing the bare (augh) minimum of pants and shirt, so Felix nods. "More or less."