You found it odd that there was no immigration officer checking passports at Dublin ferry port. You have, after all, just entered the EU from a Britain that has left, but it was as if you’d just driven from Chigwell to Epping; no one cared. A suspicion flashes through you that Great Britain and Ireland are one and the same. It was not long before you were driving along the Liffey, where glass buildings were announcing themselves proudly along the waterfront.