Albus Dumbledore was gay. It wasn’t crammed into our faces or even directly mentioned in the books or movies. Nobody knew for sure until Rowling said he was on Twitter after fans asked. Nobody cared either except for a small minority of Christians (likely the same ones that hate the series since it’s about magic).
That is natural diversity. Ana Bray is not.
English
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She definitely just said he was gay, just to say it. Like you said not in books or movie. "Uhh, sure, he's gay" so annoying.
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It’s pretty obvious when you read the Deathly Hallows that his feelings for Grindelwald are more than platonic.