Grass is greener syndrome: why better looks so close
Things are fine with your partner, and yet you keep picturing someone better: the stranger at the gym, the ex who's doing well, the person you haven't met. Decades of research on how people notice their alternatives explain a lot about that itch, including why fighting it head-on can backfire.

It usually arrives quietly. You’re happy enough. Then a coworker laughs at your joke, or a friend posts from a beach with their new partner, and a thought slides in: what if there’s someone better?
People call it grass is greener syndrome. It isn’t a diagnosis. It is, though, close to something relationship researchers have studied for decades: how much attention we pay to our alternatives, and what that attention does.
Paying attention changes the picture
In a 1997 study, people in dating relationships described how much they noticed attractive alternatives. Then, in the lab, they looked at photos of attractive strangers. People who said they were attentive really did look longer. Two months later, high attentiveness was the strongest predictor of which relationships had ended.1
The same study found that attentiveness went with lower satisfaction, investment and commitment. That’s a correlation. Restless people may notice more, rather than noticing causing the restlessness. The author’s summary is hard to beat, though: even if the grass is greener, happy gardeners are less likely to notice.1
Committed people see alternatives differently
An earlier set of three studies found that more committed people rated attractive potential partners less favourably, especially the most tempting ones. Over time, people who stayed in their relationships saw their alternatives as less appealing, while people who left saw them as more so.2
So the greener grass is partly a judgment, and it moves with commitment. The research can’t say which shifts first, but it matches a familiar feeling: when you’re halfway out the door, everyone else looks better.
Why “just stop looking” can backfire
You might expect the fix is to force your eyes away. A 2011 set of experiments suggests otherwise. When researchers subtly steered people’s attention away from attractive alternatives, it lowered their satisfaction and commitment, and in later experiments made them remember and look at those alternatives more.3 Forbidden fruit gets more interesting.
That points to a gentler approach. Notice the thought, let it pass, and get curious about what it’s telling you.
What the thought might be pointing to
Psychologist Patrice Le Goy, quoted in Verywell Mind, says people are more prone to grass-is-greener thinking when something in their life is disappointing them, and that social media makes comparison easier. Compare a partner to a “perfect” image long enough and no one measures up.4
Sometimes the itch is about your week, not your partner. Sometimes it’s about a specific unmet need. If you keep wondering whether you’ve compromised too much, am I settling? takes that question head-on. And if interest drains away whenever someone gets close, read why you lose interest when someone likes you back.
What the research leaves open
- These studies mostly involve college-age dating couples in lab settings, some from decades ago.
- Attention and commitment move together. The research doesn’t settle which comes first.
- None of it tells you whether your relationship is right. It describes a common bias, not a verdict.
Try it
When does the what-if feeling hit hardest?
Steal this text
Say it in your own words, or start from these
Raising the real issue
I've noticed I get restless when we fall into the same routine every week. Could we plan something new together this month?
Checking in with yourself
Is this about them, or about the week I'm having?
People who talk about this
- Credentialed source
Alexandra H. Solomon
Relational self awareness, dating and building lasting relationships, drawn from her couples work and her Northwestern course.
- Credentialed source
Bella DePaulo
Research and writing on single life, including people who choose to stay single and live full lives on their own terms.
- Credentialed source
Eli J. Finkel
Research on how modern marriage and long term relationships work, and what partners expect from each other.
- Credentialed source
- Trending voice
Julie Menanno
How couples get stuck in conflict cycles and how to feel secure with a partner.
Sources
- Inattentive and Contented: Relationship Commitment and Attention to Alternatives
- Resisting temptation: Devaluation of alternative partners as a means of maintaining commitment in close relationships.
- Forbidden fruit: Inattention to attractive alternatives provokes implicit relationship reactance.
- Why We Think the Grass Is Always Greener on the Other Side