cry over spilt milk

1. To dwell pointlessly on past misfortunes: “I know you wish that you'd handled the project more efficiently, but there's no use crying over spilt milk.”

Example Sentences

"I'm not going to cry over spilt milk, it's over now."

From BBC

“Don’t cry over spilt milk, honey,” says Mom.

From Literature

In 2013, he posted angry messages on a Facebook page for former pupils, decrying the “victim culture” of the people sharing their stories, and accusing one student of “crying over spilt milk.”

From The New Yorker

And like tears over late-night homework, there's no point crying over spilt milk.

From BBC

“We are not going to continue to cry over spilt milk,” he said.

From The Guardian