Not sure on that. I don't think you're necessarily sure either because the problem is that "she's not acting the part well but is supposed to be acting legit crazy here" and "she's a bit crazy but she's just embellishing here for manipulation purposes" are actually interchangeable reactions to the same scene and you can project how you feel about AJ onto what you think either one is.
To further muddle the issue is the fact that we're not even sure how much of her character is crazy and how much is manipulative right now, as she's shown signs of both.
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No problem!
This is a cute and pop genocide of love!