After Nine Years Together, an Algorithm Exposed Him

They say big data will lay the people closest to you bare, dragging their secrets into the light when you least expect it.

That's how I stumbled onto Luke Gilbert's account, buried in some forgotten thread, trading over ten thousand replies with a woman he'd met online.

Sweet words back and forth. Confessions of the heart. A promise to watch Tokyo's first winter snowfall together, to finally meet in person.

That thread was their secret hideaway. And me, his fiancée of nine years, I never had a clue.