Cry over spilled milk Informal

To waste time and energy worrying or complaining about something that has already happened and cannot be undone.

It’s usually said as gentle advice to move on from a small, irreversible mistake rather than a serious tragedy — accepting the loss is treated as far more useful than dwelling on it.

The earliest recorded instance is Welsh writer James Howell’s 1659 proverb collection, which states plainly, “No weeping for shed milk.” Jonathan Swift picked up the same idea in 1738, phrasing it as “’Tis a folly to cry for spilled milk,” and the wording had settled into something close to its modern form by 1872, when the British magazine “Once a Week” printed “There’s no use crying over spilt milk.” Despite three centuries of documented use, no source has ever convincingly explained why milk specifically became the chosen symbol of small, irreversible loss rather than any other spilled household good — the image may simply owe its staying power to how common, and how utterly unrecoverable, a puddle of spilled milk actually is.

The vase is broken now, so there’s no point crying over spilled milk.

I know the mistake bothers you, but don’t cry over spilled milk — let’s fix what we can.

He spent an hour crying over spilled milk instead of just reprinting the document.

A: “I can’t believe I deleted the whole file.” B: “It happened — there’s no use crying over spilled milk, let’s see if we can recover it.”