NI needs to pee or get off the pot. They are part of the UK or they are part of Ireland. They don’t have standing to design the UK’s ever-after enslavement in the EU.
And Nigel with some wisdom: https://twitter.com/Nigel_Farage/status/1183659775961288704
And if they really want to go join Ireland, they can do so—through the right channels after and apart from Brexit.
It would be good to cut off NI and Scotland and let Wales-England have their WeXit.