We import 40% outside the EU we trade 60 percent with them in the single market the EU deals with the WTO ever heard of cutting the middleman out in life as its cheaper?40% tariffs on what and on goods going where?
Canada , South Korea, the USA all have free trade deals with the EU it does not cost them 8 billion a year they trade world wide and free in the EU!
you will have to get used to life outside this EU polictical union!
We can be friends trade etc on our terms!