//What's to fear, then, about another referendum? Either the Brexiteers win again, in which case hurry for you, or the Remainers win... in which case, presumably, the nation has changed its mind//
A downside, but no upside for the exit camp, Jim, then? Have you read "The Art of the Deal"? Got it?
Posit (second referendum): 55% Leave 45% Remain.
Would that stop you weeping in your Kleenex and agonising over roaming charges (never doubted you're a responsible adult).
What in that hypothetical case would "Leave" mean?