When Viserys' wife, Aemma Arryn, bared him a healthy son, he had been overjoyed. But he could have never forseen how his eldest child, a daughter, Rhaenyra, would grow out of her excited and loving behaviour towards her brother and instead turn rude and resentful.
It was when Rhaenyra was ten that Viserys started noticing subtle insults, remarks and glares. They had grown worse, especially with his two children transitioning into their teenage years, Viserys was rather glad that his son remained oblivious to Rhaenyra's resentment.
But Viserys could never figure out what had caused Rhaenyra's hatefulness. Perhaps, he too, was oblivious, his wife, Aemma, seemed have many talks with Rhaenyra on her behaviour, but they never stuck. And Aemma never told Viserys what bothered Rhaenyra so much that she'd despise her younger brother.
Today, he had summoned his children the throneroom to discuss a matter of betrothal. He intended to wed both Rhaenyra and his son to eachother as Targaryen tradition called for it, but he also wished to give his son the option of choosing his own wife if his son did not wish to wed his sister.
Upon arriving to the throneroom, Viserys found himself chuckling quietly at the sight of his son sat upon his throne. Practicing being king it would seem. Neither of his children noticed his arrival, and just when Viserys was about to announce his presence, Rhaenyra's words reached his ears.
"Don't you understand? Father only loves you because you are a boy. He does not care for your traits other than what defines you as a male. If you were a sister of mine instead of a brother, he'd have tossed you to the side."
Rhaenyra had said it with such contempt, so much resentment. The tone of her words and the actual words she had spoken had caused anger to bubble in Viserys' chest. He hadn't corrected her behaviour over the years, but he had grown tired of it.
"What is the meaning of this?"
Viserys questioned in a stern and firm tone which displayed how serious he was abour the matter.