Criston’s proposal wasn't just delusion, it was pure panic over his broken Kingsguard vows. In his mind, sleeping with Rhaenyra stripped him of his knightly honor, and the only way to 'restore' that honor was to legitimize it through marriage and sell oranges in Essos. He completely failed to understand Targaryen royalty: to Rhaenyra, he was a passionate thrill, not a substitute for her birthright, dragons, and the Seven Kingdoms. That fundamental disconnect transformed his crushed ego into a decade-long hatred that fueled Team Green