It was a throwaway line spurred by the Harry and Meghan marriage - but was in its own way an offbeat reminder that a much hyped get-together between Leo and Micheál might benefit from a tortuous, drawn-out courtship.
A British TV pundit gave voice to a dark suspicion some hold about the troubled royal and his American love. He suggested the queen and her inner circle are "holding the door ajar for her grandson - just in case". The worry is that he may want to return to England in the future "on his own".
Should there be a multi-million pound divorce settlement, he may decide not to remain in the Canadian wilds or glitzy Los Angeles. It's a cynical view of things - and obviously over-judgmental and unfair to Meghan Markle. But it does reflect a certain view the couple tied the knot in haste.
Perhaps there are some vague parallels with the mooted political marriage of Leo Varadkar and Micheál Martin. There is a cacophony out there agitating they get their act together and form a new government without any more dilly-dallying.
Both politicians would be wise to ignore such baying from the sidelines. A month or two psyching out one another's intentions will matter not a whit in the longer term. On the other hand, a kind of getting-to-know-you courtship will be vital for the longevity of any agreed programme for government.
The proposed coalition - which now seems a near certainty - between Fine Gael and Fianna Fáil looks easy on paper.
But the route ahead is spreadeagled with hidden minefields.
We cannot forget that if Varadkar and Martin eventually hatch a deal, it will always be a last resort option forced on them by desperation to avoid an election.
Following this week's exchanges in the new Dail, alternatives to a Fine Fáil-Fine Gael centred government are no more. The personal venom which erupted between Micheál Martin and Mary Lou McDonald has seen to that. And so it would now seem, in pre-marriage parlance of old, Leo and Micheál are spoken for. But will a temporary bonding of the two Civil War parties survive inevitable buffetings ahead?
Too many election promises suggested good times are but a few soft and easy decisions away. However, a headwind will hit the first day Varadkar and Martin take office.
It is also likely such a government will in the short term plummet in the polls. Regardless of the end result, progress, especially in health and housing, will be slow. We will still have hospital trolley problems next winter. Waiting lists will remain unacceptable, even if the Sláintecare plan is being pushed like never before.
The biggest nightmare for a forced Fine Fáil-Fine Gael marriage is paralysis spawned by mutual distrust. The rotating Taoiseach idea is fraught with the risk of causing real bad blood between Varadkar and Martin. All round there will be endless scope for self-seeking one-upmanship.
Then there is the question of clubability - or lack of it - among the Greens and the Social Democrats. The former will be haunted by the wipeout following the party's last experience in the citadel of power. The Soc Dems could be a real awkward squad.
An ongoing hassle for both Fine Gael and Fianna Fáil will be edgy backbenchers worried lest somebody "from the other side" gets one over them in their constituency.
All the while, Sinn Féin will be unrelenting in the opposition benches.
Maybe there is cause to recall the plight of Bridie in William Trevor's famed short story, 'The Ballroom of Romance'.
When her hopes of a love match disappeared, she decided to seek solace in a workmanlike union with a less than ideal partner.
"She would marry Bowser Egan because it would be lonesome being by herself in the farmhouse," is the story's lingering conclusion.
We never get to find out how she fared with the bould Bowser. Maybe things were not half bad.
After all, they both knew one another really well from their meandering courtship.
And so with Leo and Micheál. Theirs is not a match made in heaven. Bridie would surely suggest they take their time - before that final jump into the unknown.