"I think they should let wee Jimmy get it out of her system once and for all."
But it won't, 3Ts. She is fanatical about Scottish independence and will not let the matter lie. If a second referendum is held and the vote is to remain (as I believe it will be) that will not be the end of the matter. Whether or not the UK has left the EU by then or on what terms will make no difference. The SNP fanatically pursued an independence referendum long before the EU vote was called and is using so-called Brexit as an excuse for another go.
For my two pennyworth I hope they do have another referendum and I hope it succeeds in returning a vote to leave. I also hope the "UK3" will charge them 39 billion smackeroonies for the privilege of allowing them to depart without too much trouble. We should also insist that they remain in the UK's Customs Union unless and until we grant them permission to leave. After all, we can't have huge amounts of Scottish contraband - (Haggis (January 25th only), Single Malt, Burton's Jammie Dodgers, Dundee Cake and Deuchars IPA) heading down the M6 every night threatening the integrity of the UK's Single Market, can we?