But you won't, because the EU cannot give you one. If they do and the UK is far better off outside the EU, what is the incentive for other EU countries to stay in the EU? None is the answer.
For that simple reason alone, it is highly likely that the UK will get an even worse deal than Norway. It would be in EU interest to show that leaving the EU would end in failure.
For EU to give the UK a far better deal, would be a final nail in the EU's coffin. Every member state would then also want a better deal or leave, meaning the end of the EU project.
Anyone that thinks that EU will give the UK some wonderful deal, that would be far better than Norway's is living on mars.
The simple fact is, if the UK leaves, don't expect a better deal. Other EU countries that are benefiting from the EU, will never sign up to it. It would be an economic/political suicide for those countries.