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Interview with GL writer:

What was Nia doing in the seven years between ages 14 to 21?

"She was loitering around."


"Is that all you're going to say?"

"It's better for Nia not to do anything. Everything she seriously tries to do always ends up ruined, even if no-one tells her so."

"Just like those horrible-tasting lunches."

So Nia is not a Mary Sue, confirmed.