Their relationship grew stronger after the death of Cedric Diggory, but Harry suspected Cho of betraying their secret student group. Cho's lingering feelings for Cedric and a lack of chemistry between her and Harry contributed to their breakup, leading to Harry ultimately ending up with Ginny Weasley.
It was really Cho's friend, Marietta Edgecombe, who told Umbridge. While Cho remained loyal to her friend, she was also loyal to the DA and even came back to fight in the Battle of Hogwarts.
In the film adaptation of Order of the Phoenix, Marietta does not appear and her betrayal is instead committed by Cho, under the influence of the Veritaserum potion. A Muggle-born student in Harry's year.
Thus, their relationship was already strained when Marietta Edgecombe betrayed the D.A. and Cho stood up for her, angering Harry. After that, their relationship simply “fell apart”.
The explanation is very simple - Harry has a very strong sexual desire for Ginny. He has no such feelings for Hermione. Sex is a fundamental aspect of adult relations. Sex is, in fact, the characteristic that defines the difference between a platonic relationship and a romantic one.
Reacting to How Harry Potter Characters Are Supposed to Look Compared to the Movie (According to AI)
Why did Harry not marry Cho?
Cho's lingering feelings for Cedric and a lack of chemistry between her and Harry contributed to their breakup, leading to Harry ultimately ending up with Ginny Weasley.
So why did Harry choose Ginny over Hermione? Because Harry and Hermione were never a thing. And because Harry developed feelings for Ginny. He didn't “choose Ginny over Hermione,” because he was never interested in Hermione.
Harry loved Cho more than he loved Earwax flavored beans but less than he loved chocolate frogs. Harry had a teenage crush on Cho. She was pretty and a good Quidditch player, so he liked her for her looks and nerve—it's the kind of girls he likes anyway. It was only infatuation; there was nothing deeper there.
The Weasleys are known for not supporting the notion of blood purity. They were considered one the biggest "blood traitor" families within the wizarding world of Great Britain. They willingly associated with Muggles, Muggle-borns, and other "blood traitors".
If you have only seen the films, you might be surprised to hear that it wasn't Cho Chang who betrayed Dumbledore's Army to Professor Umbridge – it was Marietta Edgecombe. A friend of Cho's and a fellow Ravenclaw, Marietta (reluctantly) joined the DA.
It was held after the third task of the 1994–1995 Triwizard Tournament. The memorial feast was held following the murder of seventeen year old Hufflepuff student Cedric Diggory at the hands of Peter Pettigrew on the orders of Lord Voldemort.
Harry Potter had a few love interests during his time at Hogwarts. Though he eventually settled down with Ginny Weasley, he also had a thing for Cho Chang in his earlier school years. Then, of course, there's his secret love for Draco Malfoy…
Her middle name, Luna, is a tribute to Luna Lovegood, a good friend of her mother, during their time at Hogwarts. This naming choice reflects the deep respect and affection Harry and Ginny have for these two individuals.
Luna married fellow naturalist Rolf Scamander, grandson of Fantastic Beasts and Where to Find Them author Newt Scamander, considerably later in life than Harry, Ron, Hermione, and Ginny, who all married and started families in their early-to-mid twenties.
In the epilogue, set nineteen years after the events of Deathly Hallows, Harry and Ginny are confirmed to be married, and have three children: James, Albus and Lily.
In the books, Pansy Parkinson has a schoolgirl crush on Draco, and they went together to the Yule Ball. However, there was no true love between them. In the Cursed Child, Draco Malfoy's wife is Astoria Greengrass.
Rowling revealed more information about Neville when she stated that he married Hannah Abbott, a Hufflepuff classmate, who became the landlady of the Leaky Cauldron. The couple live over the pub, a fact that Rowling thought people would find "particularly cool".
Their first kiss happens on the front steps of Malfoy Manor. Harry brings Draco his wand after speaking at his trial, “This is yours; thank you.” And this time, Draco won't let him walk away. Harry turns to leave and Draco grabs his arm, turns him back and kisses him.
Cho Chang famously gave Harry Potter his first-ever kiss - but the actress who played her has one major regret about the momentous scene. "I wish I never cut my hair the way I did," Katie Leung told People on Friday at Universal Orlando's three-day Celebration of Harry Potter event.
She first gained fame for playing Cho Chang, the titular character's first love interest in the Harry Potter film series, and subsequently for her roles as Caitlyn Kiramman in the Netflix animated series Arcane and Ash in the Amazon Prime Video sci-fi series The Peripheral.
Cho was not fond of Ron Weasley and Hermione Granger however; she did not trust Harry's closeness and friendship with Hermione, generally suspicious that Harry had feelings for her as well. This was one of the reasons that Cho and Harry fell apart.
