New MyIQ data suggests younger adults are increasingly evaluating long-term relationships through communication style, emotional regulation, and decision-making compatibility rather than physical attraction alone.
Romantic attraction may be undergoing a quiet recalibration. New survey findings from MyIQ, based on responses from 3,214 adults aged 18 to 45 across the US, Europe, the United Kingdom, and Latin America, suggest that many people now place greater weight on how a potential partner thinks than how they look when assessing long-term compatibility.
Overall, 72% of respondents said cognitive compatibility, defined in the survey as aligned approaches to decision-making, communication, and problem-solving, matters more than physical attraction when evaluating a serious partner. Among those aged 18 to 30, that figure rose to 79%.
The findings reflect a broader cultural shift in how relationship success is being measured. Rather than centring attraction primarily on spontaneity or appearance, respondents increasingly described compatibility in terms of emotional steadiness, conflict management, and the ability to navigate stress constructively.
Across the sample, 68% said they had ended or avoided a relationship because of what they described as a “mental mismatch,” even where physical attraction was present. Respondents most frequently cited poor communication, incompatible reasoning styles, and repeated misunderstandings as deciding factors.
MyIQ’s data also suggests that structured self-awareness is becoming part of the dating process. 64% of respondents said that after completing a cognitive or personality assessment, they felt better able to identify red flags early in relationships. A further 58% said understanding their own decision-making style helped reduce recurring conflict patterns in later partnerships.
Emotional intelligence emerged as one of the strongest indicators of perceived long-term fit. In the survey, 74% agreed that emotional regulation and reasoning under pressure are more predictive of relationship stability than shared hobbies or lifestyle preferences.
Among women surveyed, 81% ranked “how someone thinks through problems” among their top three traits when choosing a partner.
Sarah Meyer, Managing Director at MyIQ, said the findings reflect a growing tendency to approach relationships more deliberately.
“We are seeing people apply structured self-knowledge to dating in the same way they approach career or financial planning. Cognitive chemistry, the alignment in how two people process information, manage disagreement, and make decisions, is becoming a defining element of attraction.”
Past relationship experience appears to be driving part of that change. 61% of respondents said previous breakups were shaped more by incompatible communication or reasoning styles than by a lack of emotional connection. Another 69% said that understanding their own cognitive blind spots earlier would likely have influenced their choice of partner.
One MyIQ user, a 29-year-old marketing consultant in London, described how structured self-assessment reshaped her dating decisions.
“I realised that I default to avoidance during conflict. Once I understood that pattern, I started looking for partners who approach disagreement directly but calmly. It changed what I interpret as compatibility.”
Generational differences were also clear. Respondents under 35 were 26% more likely than those over 35 to describe compatibility in terms of thinking style rather than shared values alone, suggesting younger adults are increasingly comfortable using psychological frameworks to interpret attraction.
While emotional connection remains central to relationships, the findings indicate that attraction may be becoming more deliberate and more informed. 71% of participants agreed that understanding cognitive differences early can reduce long-term dissatisfaction.
For many younger adults, compatibility now appears to be shifting from instinct alone toward informed alignment, where how two people think together matters as much as how they feel.
About MyIQ:
MyIQ was launched in 2024 and is used by over a million individuals worldwide. It is a digital self-knowledge platform that offers more than an IQ score, with over 9 million completed tests across the various test categories, cognitive, personality, and relationships, all with personalised, actionable insights. The platform offers over 25 brain games, more than 150 intelligence puzzles, over 20 hours of expert video content, and 300+ available lessons on emotional intelligence, problem-solving, innovation, confidence-building, and decision-making. Through its IQ test, full-spectrum personality assessment, and relationship insight quiz, MyIQ delivers structured, personalized feedback that helps individuals better understand their inner world and behaviour.
MyIQ was launched in 2024 and is used by over a million individuals worldwide. It is a digital self-knowledge platform that offers more than an IQ score, with over 9 million completed tests across the various test categories, cognitive, personality, and relationships, all with personalised, actionable insights. The platform offers over 25 brain games, more than 150 intelligence puzzles, over 20 hours of expert video content, and 300+ available lessons on emotional intelligence, problem-solving, innovation, confidence-building, and decision-making. Through its IQ test, full-spectrum personality assessment, and relationship insight quiz, MyIQ delivers structured, personalized feedback that helps individuals better understand their inner world and behaviour.