For two hours every day over the past fortnight, Edward Chan had been hanging around after work at the Prince Edward metro station in Kowloon.Teenagers continued to gather at the station, and Chan, who works in logistics, found himself acting as their counsellor, dispensing advice to the youth.Hong Kong “is rotten to the core, with many issues affecting our livelihood, even if the city has a great international image on the surface”, according to Chan, who lives in a 350 sq ft flat with his…