the question isn't if the EU still wants the UK (but that it's unlikely that in the current local political internal climate and the opposition it isn't likely. Though certainly legally possible.
the danger to the UK automotive sector: https://www.youtube.com/watch?v=Pq2Z9uHzsGM
edge cases such as aviation (not a fan of Ryan air CEO but still worth watching): https://www.youtube.com/watch?v=Inr1KEoJqJ0
and here a longer one about the effects of Brexit - it is worth every minute IMO: https://www.youtube.com/watch?v=EcIkIz98zXU&