Ever stayed in a terrible movie just because you already paid for the ticket? Or clung to a failing relationship because of “all the years you’ve put in”? If so, congratulations—you’ve met the sunk ...

As some Republicans express buyer's remorse about Donald Trump's selection of J.D. Vance as the “worst choice” for vice president and Joe Biden ditches his stubbornness about staying in the 2024 ...

It was a Words with Friends chat that first gave Megan Phelps-Roper pause. People have a marked tendency to cling to past investments, whether financial, social, or emotional—even when it becomes ...

It sounds like a term you’d encounter in a stuffy finance textbook, but trust me, understanding sunk costs can make or break your entrepreneurial journey. By the way, even some financially-savvy ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. Unhappy relationships are an unfortunate reality for many.