You are in bed at midnight, thumb moving on its own, forty profiles deep. Somewhere around profile twelve you stopped really looking. By thirty you were saying no faster than your eyes could finish reading. You are not bored. You are further from love than when you opened the app. That is the part the apps will never tell you: the stack is not a buffet of possibilities. It is a machine that trains you to reject, and the more people it shows you, the harder it becomes to believe any of them could matter.
What the lab found
In 2020, psychologists Tila Pronk and Jaap Denissen published a study in Social Psychological and Personality Science that named what your thumb already knows. Across three experiments, they showed single adults between 18 and 30 a stack of potential partners, some a small set and some a large one. The more profiles people saw, the more they rejected. In the first study, people shown ninety profiles grew so tired of choosing that their acceptance rate for the last partner in the stack fell 27 percent below their rate for the first. The stack was training them to say no.
They called it the rejection mindset. As the pile grew, two things happened. People grew more dissatisfied with the profiles in front of them, and they grew more pessimistic that online dating could deliver someone worth keeping. Women, who were already more selective, fell into the mindset hardest, which quietly erased the matching advantage their selectivity should have given them. The more the app showed, the less anyone in it seemed real.
The week-later test
A few years earlier, Jonathan D'Angelo and Catalina Toma at the University of Wisconsin ran the natural follow-up. One hundred fifty-two undergraduates picked a partner from a small set of six profiles or a large set of twenty-four, then lived with the choice for a week. The ones who picked from the large set were less satisfied with their choice seven days later, and more likely to want to change it. The ones who picked from the big pile and were allowed to change their minds were the least satisfied of all.
The researchers pointed to counterfactual thinking. A big menu does not just offer more options. It hands you more what-if versions of your own choice to carry around afterward. The grass is always greener when the app has already shown you forty lawns.
The more people you can reject, the less real any of them feel.
Both truths
Here are both truths. The problem is not that you are too picky, and it is not that the apps are villains. The problem is that human desire was never built for an infinite menu. We learn how to feel about a person by spending time with them, not by comparing them to a stack. A photo gives you features. A person becomes attractive when you start to know them. The apps hand you features and call it choice, and the brain does what brains do with endless choice: it stops investing.
The other truth: the dissatisfaction is not all illusion. Some of the profiles were genuinely bad fits. Some people really do not want what you want. But the research draws the line the algorithm never will: it is the volume, not the people, that turns you cold. The rejection mindset is a property of the pile, not a verdict on your heart.
The midnight version
Back in bed. Thumb. Profile forty-one. You reject a profile for a third photo, something about the jawline in bad lighting, and you know it is not a real reason. That is the mindset doing its work. It has stopped looking for reasons to say yes and started looking for reasons to end the search, because the search itself has become the punishment. The app logs this as engagement. You feel it as loneliness with better lighting.
What to do with it
So close the app earlier. The research suggests a simple rule: fewer profiles per session, and treat the ones you see like people instead of inventory. Look for reasons to say yes. Let one person be a person before you look at the next.
And if you have already chosen someone, stop browsing. The Wisconsin team found that the people who kept their options open after choosing from the big pile were the least happy with their pick. A choice you keep shopping for is a choice you will never get to enjoy. The cure for the endless stack is a closed tab.
Sources: Pronk, T. M., & Denissen, J. J. (2020). A rejection mind-set: Choice overload in online dating. Social Psychological and Personality Science, 11(3), 388-396. D'Angelo, J. D., & Toma, C. L. (2017). There are plenty of fish in the sea: The effects of choice overload and reversibility on online daters' satisfaction with selected partners. Media Psychology, 20(1), 1-27.
Disclosure: no funding or affiliations behind this article. Claims link to primary sources at first mention.