In 2012, researchers Michael Norton, Daniel Mochon and Dan Ariely published a study with a memorable name: the IKEA effect. In a series of experiments, they had people assemble IKEA furniture, fold origami figures and build Lego pieces. Then they measured how much they valued what they'd made.
The result was clear: people were willing to pay up to 63% more for furniture they had assembled themselves than for the same furniture already assembled. And not only that: they saw their amateur creations as almost as valuable as an expert's, and took for granted that others would value them the same. The simple act of putting work into something made it, in their eyes, more valuable.
There was a revealing limit: the effect only appeared when the task was completed successfully. If the person assembled something and then took it apart, or failed to finish it, the attachment evaporated. Effort leads to love —to excessive fondness for what's yours— only when that effort sets into something finished. For whoever builds a product over months, it's a warning with a name.
The comfortable reading is that this happens to others: "I'm objective about my product, I criticize it more than anyone, fondness doesn't blind me". And from that supposed objectivity, you still don't understand why the market doesn't respond the way you expected.
That's exactly the trap. The effect doesn't feel like blind fondness from the inside; it feels like certainty: your product is good, and if they don't buy it, it's for some other reason. That certainty is the distortion itself talking.
This isn't about having bad taste or being naive.
It's about how the work you put into something changes, without you noticing, what that something is worth in your eyes —and separates you from how the one who has to pay for it sees it.
1. Effort is confused with value, but only for whoever put it in. Your product cost you months; the customer pays zero to see your effort. You value what you invested; he values only what he receives. That's why it seems unbelievable to you that he won't pay what you think it's worth: you're measuring different things. For you, the value includes your work; for him, only the result exists, and your work is invisible to him.
2. The finished engages more than the unfinished, and that blinds you right when you need to pivot. The study shows attachment spikes upon completing something. The founder who has built and launched a whole product is at the peak of the effect: he has finished, therefore he loves it, therefore it's agonizing to hear that this finished product isn't what the market wants. Attachment is highest at the very moment coldness to change course is most needed.
3. That's why the reliable signal isn't your conviction, it's the market's behavior. Your certainty about your product isn't information: it's the IKEA effect. The only clean information is what people do —whether they pay, return, recommend— not what you feel or what they say out of politeness. When your conviction and the market's behavior clash, the safe bet is that you're the one who's wrong, because your judgment is contaminated by the hours you put in.
Think of your product, or that thing you've built with many hours. Now imagine someone else made it, a stranger, and offers it to you today for the first time.
Would you buy it? At the price you're asking? Or would you suddenly see what the market seems to see and you don't?
And the uncomfortable one: when someone doesn't buy or doesn't return, do you listen to that behavior as information, or do you explain to yourself why they're wrong —and stay as sure as before?
If putting work into something blinds you to its value, then learning to see it through the eyes of whoever pays is an advantage over the founder in love. The layers:
Stop asking "do you like it?" (they'll say yes out of politeness) and stop trusting your certainty. Watch what they do: whether they pay, return, use it without you pushing. Behavior is the only data the IKEA effect doesn't contaminate.
Before defending your product, remember the customer doesn't see your months of work: he only sees what he receives today. Judge it as if someone else made it. What it cost you isn't part of its value for anyone but you.
The one in love gathers reasons to continue; the operator looks for the signal that he must change. Ask whoever did NOT buy why not, listen to the one who left, prioritize the uncomfortable evidence. That counters the attachment on purpose.
Every time your conviction about something you built clashes with how the world receives it, don't ask "why don't they get it?". Ask "what am I overvaluing because I made it?". Whoever crosses that question before pride pivots in time; whoever doesn't defends a finished product until he runs out of cash.
Your product isn't worth what it cost you to make. It's worth what someone who doesn't see your effort is willing to pay for it. And the more work you put in, the harder it is to see, because effort doesn't only build the product: it builds your blindness about it. Fall in love with the problem you solve, not the solution you assembled. The solution you can throw away and remake; the problem, if it's real, is still there waiting for whoever stops admiring their work and starts listening.