Landmark study pinpoints what makes a good relationship

Long, happy marriages have these important traits

It may not be rocket science, but a lifetime partnership could still use some study. This quick list of smart traits gets into key traits that typically help a marriage remain happy ever after. Using studies from trained therapists and researchers, the article explains how really knowing each other, accepting bids for attention, seeking resolution to conflict, and more are essential to durable marriages. Read it here.

Peek into the love lives of thousands of strangers whom Stanford University researchers have been tracking since 2017 on this interactive page.

Learn how the algorithms behind Tinder, Bumble, Hinge, and other dating apps work

Formerly based on the Elo rating system, which ranks chess players, the Tinder algorithm is built on user data, with more time spent on the app providing more data on user preferences from which to customize potential matches. OkCupid's match percentage algorithm relies on overlaps in users' search preferences and responses to a subset of over 4,000 questions.

Machu Picchu, sacred backdrop for your dating app pic

Anyone who’s been on Tinder or Hinge in the last decade has noticed it: the obligatory Machu Picchu selfie, almost as ubiquitous as those photos of men posing with a fresh-caught fish. How did Machu Picchu, of all places, become a dating-app cliche? This satirical essay from McSweeney’s doesn’t answer that question, but has a great time poking fun at it.

Computer scientists first started trying to optimize dating using computers in the 1950s.

Many dating app users are beginning to suffer from 'dating app burnout'

For younger generations, dating apps have become a primary avenue for creating romantic connections—leaving some users fatigued and contributing to increased feelings of loneliness.

Tinder revolutionized dating when it introduced swipe-based interactions

Many dating apps today allow users to "swipe right" to match with someone and "swipe left" to opt out of the match, but Tinder did it first, introducing swipe-based interactions in 2013. The idea for swipes came from the founder's desire to gamify dating—Tinder's early interface was based on a deck of cards that users could sort.

The matchmakers serving the elite of Silicon Valley

If members of the wealthy elite want to find romance, they often choose expensive match-making services rather than dating apps. These services can cost $150,000 for each match, and providers are experts in dealing with the unique social dynamics caused by being wealthy and the unusual egos such wealth can bring. This article explores this hidden cultural phenomenon.

Love is a more recent part of marriage

Love matches are incredibly late to the marriage game. For most of our history, marriage has been about alliance, wealth, property, power, and, as an occasional afterthought, the couple liking each other. All that changed when Enlightenment thinkers were inspired in their pursuit of personal happiness, including in their choice of mate.

Ranking life's biggest decisions

Psychological research presents some unsurprising wisdom about how to make big decisions without regret: focus on people, don’t miss opportunities, and stay true to yourself.

The way dating apps make money is changing

As downloads fall across the industry, dating apps are trying to stay competitive by adding paywalls to their business models. The more than $6B dating app industry is largely dominated by Match Group, the parent company of both Tinder and Hinge. This video explores how AI and human behavior are changing the industry one right swipe at a time.

Visualizing where happiness comes from

Researchers asked 10,000 participants to list 10 things that recently made them happy. One author broke down the responses into subject-verb-object categories, isolating the people and events that made responders satisfied. The result highlights how simple things like having dinner or watching a movie made someone happy. Dive in and look for some ideas or tips on feeling happy today with this fascinating visualization.

The business model for many dating apps is paradoxical

While these apps are designed to help people create romantic relationships, dating apps lose money when people find a monogamous relationship and stop using the app as a result. Some call it the dating app paradox.

Explore an interactive map showing what makes people happy.

Using 10,000 responses collected from people around the world about what makes them happy, this map offers insights into how relationships, finances, purpose, and small treats all contribute to a person's contentment. Recent data suggests that young people today are less happy than those in previous generations, indicating a need to reflect on what really matters in life.

57% of men who have dated online say their experiences have been positive

However, 51% of female users say that their experiences on dating apps have been negative. LGBTQ+ users are more likely to report positive experiences on dating apps than non-LGBTQ+ users.

The dating app Hinge markets itself as 'designed to be deleted'

Harvard graduate Justin McLeod started Hinge in 2011. Since then, despite competition from larger apps like Bumble and Tinder, it's grown into the third-largest dating app by market share in the US, bringing in roughly $396M in revenue as of 2023.

Criticism, contempt, defensiveness, and stonewalling are very likely to lead to relationships failing

The Gottmans, both psychologists and long-time relationship counselors with dozens of books and articles between them, are renowned for their approach to fostering healthy relationships. This video outlines negative relational attitudes—what the Gottmans call “The Four Horsemen of the Apocalypse”—that are correlated with relationship failure, and how to avoid them.

The top three US dating apps by market share are Tinder, Bumble, and Hinge

While Tinder took up about 25% of US dating app market share as of 2024, Bumble wasn't far behind at 24%. Up-and-comer Hinge sat in third place with 18% of US market share.

Around the world, marriage plays an important role in bolstering social stability

Marriage was around in one form or another long before written history. From bonds between two people to large polyamorous gatherings of spouses, the rich history of marriage practices demonstrates that partnerships have been, and will likely continue to be, incredibly diverse.

The prototype for Tinder was created during a 2012 hackathon

By August 2012, Tinder, which was originally called Match Box, had launched on the Apple App Store. Match Group merged Tinder into its portfolio in 2017, the same year it set its sights on acquiring Hinge. Experts say that Match has not been declared a monopoly in part because monopolies are "hard to prove."

'Sweat dating' is a dating approach in which partners select each other based on body odor.

'Love on the Spectrum,' a popular Netflix reality show, is following people on the autism spectrum as they navigate romantic relationships

This is one of Netflix's biggest shows, something this podcast says is due partly to the fact that the series both scratches the itch for people who enjoy reality dating viewing and the program is conducted in a nonexploitative, sensitive way that makes viewers truly want the best for the people navigating these situations.

A deep dive into the data behind the romance bookstore renaissance

As the literary genre expands, so does the network of romance-specific stores. Romancing the Data keeps track of the rise of romance bookstores across the globe. This article not only shows how quickly the trend is taking off but also explains how brick-and-mortar shops are simply catching up with audience demand.

Marriage as a concept is believed to be at least 4,300 years old

In the past, formal marriage spread because it was a great way to accumulate property and allies. Now, some couples want love and healthy companionship. Marriage has undergone many transformations, from the inclusion of consent, thanks to religious leaders, to sanctification by the state.

Dating apps adopted 'freemium' business models as the market became more saturated

As dating app user growth slowed and companies like Tinder saw increased competition from upstarts like Bumble and Hinge, the industry has pushed for subscription tier adoption due to pressure from investors for predictable profits and more.

Bumble debuted its 'Bumble BFF' feature in 2016

Rather than helping users find romantic matches, Bumble BFF helps people make platonic, friendship introductions. The feature now operates as a standalone app, "Bumble for Friends," built on top of Geneva, a company that Bumble acquired in 2024.

A larger share of LGBTQ+ individuals use dating apps than their straight counterparts

Roughly a quarter of LGBTQ+ adults reported using a dating app in the past year as of 2022. The trend seems to have persisted as the years have gone on, with apps like Grindr geared toward the community seeing significant revenue growth in recent quarters as of 2025.

Google Search trends reveal truths about society that traditional surveys miss

Studies of human behavior show that survey respondents may lie to present themselves more favorably. By studying anonymous search data, researchers have uncovered hidden racism, mental health struggles, and interest in taboo or stigmatized topics.

Meet the psychologist who reads people through the art they live with

Dimitrios Tsivrikos, an academic psychologist at University College London, says the art someone hangs in their home reveals as much about them as a bookshelf would. He advises going on a first date at a museum and asking each other about the work on the walls.

Why TikTok's algorithm is likely driven by what you linger on

While the inner workings of the engine driving the vast majority of the app's engagement remain a secret, it is understood to rely heavily on what content users spend the most time watching rather than swipe past. Experts believe the app can develop user profiles robust enough for its algorithm to consistently match engaging content to in as little as two hours.

Shorter, more frequent touches are better than longer, rarer ones

That's according to a 2024 meta-analysis of 137 studies on touch. It found that as long as the touch is consensual, the identity of the toucher mattered little for adults, and there was even a benefit to receiving "touch" from objects like weighted blankets or robots. For newborns, however, the identity of the toucher did matter, and the greatest benefit came from parental touch.

Marriage is experiencing a general decline

Marriage has taken drastically different forms than in the past. The transformation of marriage from a form of economic dependency for women to an equal partnership has forged demographic shifts. Richard Reeves, author of "Of Boys and Men," explains how economic and educational factors have potentially destabilized partnerships and changed patterns of “marriageability” for middle- and lower-class men.

'Loveflation' is making dating more expensive and less frequent

A survey found that more than half of Americans are going on fewer dates due to rising costs, with 27% stopping altogether. Gen Z and millennials are the hardest hit, with 62% reporting changes in their dating habits due to inflation.

An economist answers questions about love

Economists aren't exactly known for their dating advice. But as it turns out, economics experts can offer fresh perspectives to everyday romantic quandaries. On this podcast episode, economist Tim Harford answers listeners’ relationship quandaries, from paying for a first date to alternatives to saying, "I love you." Listen to the episode here.

Striking demographic trends from 2022

This article lists the 15 most striking research findings by Pew Research Center in 2022. The topics highlighted represent a sample of the Center’s research, compiled through surveys. Findings examine public opinion around the biggest news events...

NSF-funded research into matching algorithms improved the success of organ transplants

Investigations in game theory, including concepts focused on creating mutually beneficial partnerships—matching theory—led to the design of computer systems that efficiently matched kidney recipients and live donors, resulting in higher-quality matches. By 2019, these matching algorithms were used for multi-organ exchanges.

Why romantasy is so popular on social media

Much of romantasy's success is thanks to social media, especially TikTok, where posts tagged as #BookTok or #Romantasy often propel titles to mainstream popularity. This deep dive into the trend interviews fans and marketers to explain why the genre's steamy content does so well online.

Social scientists hold various beliefs about the role of marriage in our lives

Functionalists believe that marriage fulfills specific needs, while conflict theory highlights inherent power struggles within a couple’s relationship.

Who provides therapy is more important than what method they practice

What makes therapy work well is the connection that patients feel with their therapist, and the trust in that relationship. Some research suggests that while the therapeutic model—say cognitive behavior therapy or psychodynamic therapy—accounts for roughly 15% of outcomes, the therapeutic relationship with the therapist accounts for more than 30%.

A guide to the romance genre's major tropes

This guide breaks down romance's most prominent tropes, or narrative patterns, used by romance writers and adored by their fans. After you learn about "friends to lovers," "marriage of convenience," and "forced proximity," you'll start to see your favorite romance reads in an entirely new light.

The dating app industry's average customer acquisition cost exceeds $40 per user

This relatively high cost of customer acquisition (according to 2022 data from saturated markets) makes profitable growth increasingly difficult for dating apps, which is why many have pivoted to focusing on their subscription tiers for reliable revenue.

TikTok's personalized algorithm activates the brain's reward system

A 2025 Washington Post study found that 75% of the TikTok users it studied nearly doubled their time spent on the app within a month. Experts in design and psychiatry say this is due to the app's interface and algorithm, which, after learning about the user's preferences, recommend videos more likely to activate that person's dopamine reward system than non-personalized suggestions.

Some bereavement support groups prohibit dating other members

This in-depth podcast covers many aspects of grieving and support. One aspect it discusses is that people may naturally feel a connection with others who are going through similar experiences and may want to build community that way, including pursuing romantic relationships. Such liaisons may be off-putting to some participants and that's why some groups prohibit dating other support group members.

Bumble's ill-received 2024 rebrand included ads encouraging users to stop being celibate

The ads were meant to promote a new option on the dating app that allowed men to message first in opposite-sex matches—a significant change to the app's signature "women make the first move" feature. Bumble later apologized for the ads on Instagram. Bumble shares fell 54% after the brand removed the signature feature and allowed men to message first.

Meta has added video features to attract more young users to Facebook

Amid an aging userbase and competition from newer social networks like TikTok, Facebook has seen its perceived relevance and cool factor progressively decrease. The Local tab and dating features are among several efforts to counter this perception.

Humans are wired to pick up on each other's emotion, making laughter contagious

The reaction plays a key role in establishing interpersonal connections and relieving stress by releasing endorphins—feel-good hormones. A 2021 study identified at least 65 animal species that produce playful sounds, such as laughter.

Jobs that marry each other the most

Out of all married physicians, roughly one in five is married to another physician. The trend extends beyond the medical field. Some professionals are more likely to marry one another than others. Find out which jobs most often pair together among married couples with this interactive tool based on estimates from the American Community Survey. Click here to type in your profession and see your most likely match.

Dating app Bumble Founder Whitney Wolfe Herd is considered the youngest self-made female billionaire.

NFL Draft decisions are shaped by brain science, data, and office culture

Carnegie Mellon researchers say Draft-room choices are influenced by the "jackpot effect"—where higher stakes can impair performance—as well as by groupthink, the limits of data, and whether scouts feel safe speaking up.

Blackstone acquired a majority stake in Bumble's former parent company in 2019 ahead of the dating app's IPO

The New York City-based investment management company paid about $3B for its stake in female-focused dating app Bumble. The app's 2021 IPO that made Bumble Founder and CEO Whitney Wolfe Herd a billionaire at age 31 proved lucrative for Blackstone as well.