There will be a "technical" form of BREXIT, with the UK tied to the EU under most of the existing rules but highly disadvantageous to the UK. The UK will not get away with this without severe punishment .. you have to remember that all this has been very costly to the EU and the UK will end up paying for it and more. Longer term the dissident part of the population .. those with loyalty to UK plc will be encouraged to either "change their minds" or to move elsewhere. Doubtless in decades to come there will be expatriate English populations in places like the USA, Australia, New Zealand and Canada who will be singing all the football anthems and bowing to Prince George of Cambridge as the rightful heir to the throne that forgotten kingdom.