There's something strange about Norfolk people, they keep themselves to themselves. Maybe it's something to do with the Vikings - every time the Norfolkians met a stranger it was because they were on a reconnaissance to invade, so there is an inherent distrust of strangers. Woe betide anyone who's atempting to drag them kicking and screaming into the 16th Century!!!
By the way, Suffolk people aren't much better, but the influx of engineers over the last decade or so has helped, as opposed to the increasing population of insurance agents to Norwich who are naturally risk averse and want to go back to the 1200s.