Shinji on the monitors reflected in Ikari's glasses.
Ikari:“Your spare is unusable. You will do it again.”
Rei (OFF):“Yes, Sir.”
HeWhoPostsStuff: I think he might be doing it again here: note the language, “unusable”. He probably knows that that word will hurt Shinji a lot… and also makes sure to mention that Rei will “do it again”, making it clear that she has already done this, while Shinji refuses to comply even once. Then, of course, he wheels her in…