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Key Takeaways Early validation is not permanent validation — a product that solved a clear need six months ago can quietly drift from the problem it was built to address.
What customers say and what they do are rarely the same — trust the behavior over the feedback, because purchasing patterns and drop-offs are more honest signals than anything in a survey.
Founders are often taught to move quickly, listen to feedback and keep improving. That advice is useful, but it can also create a trap. When a product or business model starts to struggle, many entrepreneurs immediately look for ways to refine the solution. They add a feature. They adjust the messaging. They change the packaging, pricing or sales process.
Sometimes that works. Other times it only makes the business more complicated. I have learned that one of the most important questions a founder can ask is not “How do we make this better?” It is “Are we still solving the right problem?”
That question matters because markets do not stand still. Economic pressure changes buying behavior. What felt urgent to customers at one stage of the business may feel less relevant six months later. A product that once solved a clear need can slowly drift away from the problem it was created to address.
This is especially important for founders building in health, wellness, consumer products or any category where trust, behavior and daily routines matter. Customers may not always be able to explain what they need in a survey or review. But they will show it through what they buy, repeat, abandon and recommend.
Research from McKinsey has found that organizations that leverage customer behavioral insights outperform their peers by 85% in sales growth and more than 25% in gross margin. For founders, the takeaway is simple: strategy should not be built only around what customers say. It should also be built around what they do.
Reassess the problem before refining the solution
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