When they were trapped together on an uninhabited island after departing from Peach Blossom Island, North Beggar Hung 7 Gung told Gwok Jing and Wong Yung about the adventures of great Beggar's Union Chief Kiu Fung, who had lived a century before their time. What opinion did Gwok Jing form about Kiu Fung? Did he see Kiu Fung as a role model for himself?