(CNN) - Some people aren't happy with JK Rowling's assertions about the love match between Dumbledore and Grindelwald.
According to Mashable, the author talks about the couple in a feature included in the DVD and Blu-ray versions of "Fantastic Beasts: The Crimes of Grindelwald."
"Their relationship was incredibly intense. It was passionate, and it was a love relationship," Rowling said. "But as happens in any relationship, gay or straight or whatever label we want to put on it, one never knows, really, what the other person is feeling."
The "Harry Potter" author added: "You can't know, you can believe you know."
"So I'm less interested in the sexual side -- though I believe there is a sexual dimension to this relationship -- than I am in the sense of the emotions they felt for each other, which ultimately is the most fascinating thing about all human relationships," she said.
A representative for Rowling told CNN the author was unavailable for comment.
Just as there was much ire last year when the director of "Fantastic Beasts: The Crimes of Grindelwald" said the sexuality of the character Albus Dumbledore would not be "explicitly" explored in the film, folks aren't happy now that Rowling is exploring Dumbledore's sexuality at this late date.
"I have the exact same reaction to JK Rowling trying to retroactively diversify the Harry Potter universe as I do to James Cameron promising four Avatar sequels," writer/director Hazel Hayes tweeted. "Nobody asked for this."
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