That nigga aint tell her shit lol. He told her the targ prophecy one time then told her about catspaw 6 months later. Then told her about marrying 3 yrs after that only bc alicent been nudging him. Viserys doesn't do anything unless he's forced to. If it was up to him rhae would still be pouring wine.Umm........?
She was literally given all of this wisdom by her father Viserys. The King.