Some of the habits most likely to irritate a colleague or a partner are also among the most consistent markers of a sharp mind.gettyPeople who are very good at thinking are often accused of being bad at waiting. Their partners notice it first, usually. They often mention a habit of redirecting conversation before it’s finished, or the way a decision that was supposed to take a week gets made by Tuesday.Colleagues notice it too: the person who has already moved on to implementation while the room is still debating the concept, or who asks a question that skips three steps ahead and briefly derails the whole meeting. At some point, most highly intelligent people have been told, in some form or another, to slow down, that they need to be more patient, to let things breathe or to give other people time to catch up.What almost nobody tells them, because it doesn’t fit neatly into the story we tend to tell about self-improvement, is that the impatience may not be the flaw it’s been framed as. Psychologists who study cognitive ability and thinking styles have found that certain forms of restlessness aren’t incidental to a sharp mind. Instead, they might be expressions of it.Two habits, in particular, tend to give this away.Habit 1: They’re Unable To Sit With An Unanswered QuestionIntelligent people are notoriously bad at tolerating open loops. When a question appears, in a conversation, a book, ora half-finished project, they feel a pull to resolve it that can look, to others, like obsessiveness or interrupting. They’ll pause mid-conversation to look something up. They’ll lose sleep over a problem that could, technically, wait until morning. And that can be frustrating to live with.MORE FOR YOUIt might be easy to confuse this with mere restlessness. Psychologists describe it in terms of need for cognition, or a stable individual difference in the tendency to seek out and enjoy effortful mental activity. People high in this trait don't just tolerate thinking hard; they're drawn to it. An unresolved question feels more like an itch and less like an inconvenience to be filed away.So, what might look like impatience in these moments is really a low tolerance for cognitive ambiguity — the discomfort of not-knowing. A 2024 meta-analysis published in the Review of Educational Research confirmed that individuals higher in measured cognitive ability consistently score higher on need for cognition, and that the drive to engage is meaningfully distinct from raw ability alone. In other words, need for cognition isn’t just intelligence by another name; it’s what a sharp mind can look like when it’s actually switched on. Their minds are optimized to close loops. Leaving one open is a small but persistent drain.Habit 2: They Quickly Disengage From What Isn’t WorkingIntelligent people cut losses faster. They’ll often abandon a book at page 50, leave a meeting they’ve mentally checked out of or decide with unusual speed that a plan needs to change. This tendency can sometimes read as dismissiveness, or arrogance, or even a short attention span. But it’s often none of those things.What might actually be operating in these instances is something closer to construal level thinking, or the ability to zoom out from the immediate situation and evaluate it against an abstract standard. People who are more comfortable with abstract reasoning tend to make better, faster judgments about fit: about approaches that aren’t working, strategies that don’t match the goal and so on. It’s not what one might presume to be boredom. They’ve simply processed what’s in front of them and formed a clear view.There’s also a broader pattern at work here: a preference for reaching accurate conclusions with the least unnecessary effort, which researchers have associated with higher cognitive engagement. For an intelligent person, the experience of sitting through something demonstrably not useful might feel wasteful. So, the disengagement isn’t impulsive; it usually follows a quiet internal audit that happened faster than others realized.This habit can sometimes lead to premature closure, cutting off ideas before they’ve had time to develop, or making other people feel evaluated and dismissed. What these individuals are rushing away from is the expenditure of a resource they guard carefully: their attention.Why These 2 Habits Often Co-OccurBoth habits trace back to the same underlying disposition that, at its baseline, is calibrated toward resolution. Open loops and inefficiency are cognitively costly. A 2025 preregistered meta-analysis published in the Journal of Intelligence, drawing on data from tens of thousands of participants, found small-to-moderate associations between need for cognition and both fluid and crystallized intelligence, reinforcing the idea that the drive to engage with hard problems and the ability to solve them tend to travel together.The absence of this quality is worth noting too. A complete ease with unresolved questions and endless tolerance for stalled processes can be a signal of lower engagement with the problem. Some degree of productive impatience, it turns out, is what caring about an outcome actually feels like from the inside.As it turns out, the habit isn’t the problem. What matters is whether the intelligent person has learned to direct it, and to explain it, so others don’t experience the pace as indifference.Impatience with shallow thinking is one habit. But how does your mind actually process information when the stakes are high? Find out with this science-backed test: Cognitive Style Test