[smhg]

> I think the country could very well cease to exist

Do you mean something like Scotland going their own way? Or something more dramatic (think revolution)?

[racktash]

> Do you mean something like Scotland going there own way?

Yes, exactly this – the four countries of the UK going their own way and the UK ceasing to be.

(It's my personal opinion – people will of course have their own take, and good reasons for having their views – that such a happening would be a devastating event.)