You have a fulfilling job, a great group of friends, the perfect apartment and no shortage of dates. So what if you haven’t found The One just yet. Surely he’ll come along, right?

But what if he doesn’t? Or even worse, what if he already has, but you just didn’t realize it?

Suddenly finding herself 40 and single, Lori Gottlieb said the unthinkable in her March 2008 article in The Atlantic: Maybe she, and single women everywhere, needed to stop chasing the elusive Prince Charming and instead go for Mr. Good Enough.