[Yeah. She's calling bullshit. It's not like Luna's never met a war veteran before, Jeeves - she's been a war veteran. She sighs. Really, it's perfectly reasonable that being exposed to combat again after six years of peace would cause a resurgence, there's no need to prattle on about functionality as though the subconscious were a toolkit one could pack at will.]

You are likely correct as to the cause, but I cannot remove it entirely without wiping your memories of the war, or something equally foalish.