A quiet engagement, confirmed by a single photograph

There was no press release. There was a photograph of a coffee run, a hand around a cup, and a ring that had not been there in November.

Eleven minutes

It took the internet eleven minutes to notice, and about forty for the first jeweller to identify the setting. Neither party has commented, and friends suggest neither intends to.

"They have been very deliberate about keeping this one offline," said a source close to the couple. "The plan, as far as I know, is to say nothing at all."