Though it was a very long and drawn out saga, the UK actually has left the EU as of yesterday. If Nigel Lawson, the main proponent of Brexit and the one man most responsible for bringing it about, is satisfied that Boris Johnson will finish the task, then who am I to worry.
This site has long argued that the European Union, in its current form, must break apart, in order for a true political union of 10 member states can come about — and thus fulfill prophecy found in the Book of Revelation (Revelation chapter 13). We can only but wait and see if more EU member states decide to break away. I would think that it will take some sort of crisis to prove as the catalyst for such an event — perhaps a financial crisis?