In January 2026, a new community popped up on Reddit, the online message board site. Called /r/GirlDinnerDiaries, it now has a sizable 6 million members and invites people to post a photo of a meal—whether it’s something you’re eating while you post or another meal that gets at your state of mind—along with an anonymous blurb venting or soliciting advice. "My partner only feels disgust at the idea of me as a mom," reads one.
"I feel like it's never going to be OK," says another. The point is to activate the feeling of sharing over food, but over the internet. The snapshots are messy, yet evocative: French fries consumed in a nightclub, a breakfast burrito in a diner, yesterday’s lunch eaten hastily over a keyboard with a plastic fork.
The posts wax poetic about the fate of marriages and the bizarre serendipity of life. Reading these dishy dispatches feels like staying up late with friends you rarely see, working over all that's gone down in your life in search of some meaning. Why are millions of people so captivated by these nameless confessionals served with a side of candid, unposed food photography?
Scientists who study self-disclosure—the act of sharing personal, sensitive information with others—have some thoughts about why we share our deepest, darkest secrets on the internet. Talking about yourself feels pleasurable, and there’s science to back that up, says Leslie John, a professor of business administration at Harvard Business School and author of the book Revealing. She points to experiments conducted by psychologists Diana Tamir and Jason Mitchell, where people having their brains scanned in an fMRI machine answered either normal trivia questions or questions about themselves.
That gesture is implicitly saying, ‘Hey, I trust you not to make a fool out of me; otherwise, I wouldn't be sharing this.’ And when you do that, it causes the other person to trust you back. So trust begets trust,” she says. In fact, John’s work has found that people are more interested in dating a hypothetical person who admits that they’ve done something terrible than someone who declines to answer the question.
Posting a photo of a paper plate with yesterday’s messy BBQ and a brownie you ate while processing getting fired is, in the age of the perfectly lit Instagram plate, a similar kind of move. You can't sustain an intimate relationship if you don't.” Another situation where people might self-disclose is the stranger-on-a-train context. It’s also face-to-face, but there is no lasting link, so the risks of disclosure are lower.
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