Overthinking: Stress Controls Us - Until We Learn to Lead Ourselves

Five Internal Tools for Greater Resilience in Everyday Leadership

Stop overthinking everything: An invitation to calm your mind and organize your thoughts. Photo by Klara Kulikova on Unsplash.

Some days add up like this: it is not just one thing that becomes too much, but everything at once. Too many projects, too many expectations, too many unresolved decisions-and at some point, it is no longer just stress. It is the feeling of being completely overwhelmed internally.

This feeling has a name: cognitive overload. And in leadership positions, it is no longer the exception but the new normal. According to the Techniker Krankenkasse Stress Report 2025, two-thirds of the German population report feeling stressed frequently or sometimes, with 61 percent identifying high self-imposed expectations as their primary stress trigger (TK, 2025). Among leaders, the burden is likely even higher. The costs are substantial: declining decision quality, increasing error rates, loss of trust within teams, and, over the long term, serious health consequences.

Yet while organisations actively work on efficiency strategies, agile structures, and AI-supported processes, one topic remains surprisingly underexplored: the internal foundation of the people leading these systems. Resilience is often dismissed as a personality trait-either you have it, or you do not. Neuroscience sees it fundamentally differently.

The extent of inner flexibility and capacity only becomes visible once the right tools are understood and applied consistently. This article summarises five key insights-not as a guide to avoiding stress, but as an invitation to self-leadership.

1. The Inner Fortress Is Built Before the Storm

A fortress is not built when the storm arrives-it is built beforehand. The same applies to inner stability. It does not emerge during a crisis; it develops through what is done consistently beforehand: habits, routines, and small actions that provide support.

When leaders think about stress, they almost exclusively focus on stressors: too many meetings, too many roles, too many expectations. What is often overlooked is the other side of the equation: What actually provides energy? What strengthens people-not only in the short term, but sustainably? Sleep, movement, sunlight, and exposure to nature have been shown to regulate the autonomic nervous system and reduce what is known as allostatic load - the cumulative biological burden caused by chronic stress (McEwen, 1998). These are not wellness trends; they are biological necessities.

The real problem is rarely a lack of knowledge. Most people know very well what is good for them. They simply do not implement it consistently. This is where the real challenge lies-and where the first lever for change can be found.

Research on habit formation demonstrates just how slow change processes actually are. Lally et al. (2010) investigated in a longitudinal study how long it takes for a new habit to become automatic. The result: an average of 66 days, with a range from 18 to 254 days. In other words, no single inspirational talk changes behaviour. What is required is consistent, patient repetition over weeks and months. Once people understand this, they stop frustrating themselves with short-term change attempts and begin thinking in processes instead.

The tool: Identify five core habits that create mental stability. Then honestly assess-on a scale from 1 to 10-how consistently these habits have been implemented over the last 90 days. The gap between knowing and doing is usually the most productive starting point for meaningful change.

2. Relationships Are Emotional Infrastructure

One of the most persistent myths of modern leadership culture is that strength and solitude are the same thing. Those who carry pressure carry it alone. Those who ask for help show weakness. Those who open up lose authority. This belief is widespread-and it is wrong.

Cohen and Wills (1985) demonstrated in their influential work on the buffering hypothesis of social support that close relationships not only increase subjective well-being but also measurably reduce physiological stress responses. Social connectedness regulates hormonal systems-it lowers cortisol and activates the parasympathetic nervous system. Connection is not a soft factor. It is neurobiology.

What often becomes apparent in coaching and consulting practice is that many leaders maintain their professional networks very actively. Yet the relationships that truly sustain them-the ones where there is no need to perform, where simply being oneself is enough-are chronically neglected. Not out of indifference, but because they rarely find a place in the calendar and their value cannot easily be quantified.

These interactions do not need to be profound conversations. Sometimes it is a short message. Genuine listening. An honest “How are you?” without time pressure. Small gestures of authentic connection create an emotional buffer that increases resilience under pressure. This dimension can be described as emotional infrastructure, in deliberate analogy to physical infrastructure: people often only realise how important it is once it is missing. And by then, it cannot be built overnight.

The tool: Identify three people in your life whose presence creates a sense of inner calm. Are these relationships being actively nurtured? When was the last time there was a genuine exchange-without an agenda, without time pressure, and without roles?

3. Not Every Thought Tells the Truth

The brain is an evaluation machine. It continuously scans the environment for threats-an evolutionary inheritance that was useful on the savannah but often becomes counterproductive in modern leadership contexts. Overthinking, rumination, catastrophic thinking: these are all patterns in which the brain becomes trapped in a negative feedback loop.

Nolen-Hoeksema (2000) demonstrated in her widely cited research on rumination that persistent cycles of overthinking not only hinder emotional processing but also significantly impair cognitive functioning. People who ruminate do not think clearly-they circle. And the thoughts they circle around are almost always negative scenarios. Rumination is rarely neutral. It is a form of mental narrowing.

The challenge is that thoughts are often treated as facts far too quickly. A thought appears-and is immediately accepted as truth. Yet initially, it is nothing more than electrochemical activity in the brain. An interpretation of reality. Not reality itself.

Cognitive Behavioural Therapy (CBT) and more recent approaches such as Acceptance and Commitment Therapy (ACT) focus precisely on this point: not by trying to suppress negative thoughts, but by creating conscious distance from them-observing thoughts without identifying with them. Gross (2002) describes emotional regulation as a learnable skill that can be significantly strengthened through systematic practice. People are therefore not powerless against their mental carousel once they learn to observe it from a certain distance.

The tool: When caught in rumination, pause and ask three questions: 1.What are the actual facts right now? 2. What is my interpretation of those facts? 3. Which thought would be more helpful in this situation without denying reality? These three questions create cognitive distance and shift attention from emotional reactivity back to reflective thinking.

4. Know Your Emotional Home-and Learn to Leave It

One of the most powerful concepts in coaching is the idea of an emotional home: the emotional state to which a person automatically returns under pressure. For some, it is anger. For others, fear. For others still, control, withdrawal, busyness, or perfectionism. It is the state in which people settle under stress-not because it serves them well, but because it feels familiar.

This concept helps people move out of the victim mindset. Once individuals understand how they react under pressure, they can recognise the pattern earlier and interrupt it consciously. This is the essence of emotional self-leadership.

Since the foundational work of Mayer, Salovey, and Caruso, emotional intelligence has been recognised as a core leadership capability (Mayer, Salovey & Caruso, 2008). Yet what remains surprisingly neglected in practice is the honest examination of one’s own emotional reaction patterns under stress. Many leaders invest heavily in time management, strategy development, and decision optimisation-but rarely work on their automatic emotional responses under pressure.

Yet this is precisely where a significant lever exists. Leaders who become hectic under pressure overlook what matters most. Those who move into excessive control lose trust within their teams. Those who withdraw become unpredictable. Emotional reactions under stress often have a greater impact than the actual decision itself-yet they are rarely reflected upon systematically.

The tool: Honestly answer the following question: Where do you automatically land emotionally when pressure arises? Irritability? Silence? Busyness? Excessive control? Then complete this sentence:

"In those moments, I would actually like to embody [calm / clarity / trust / presence]."

This dual approach-recognising the pattern and naming the desired state-creates the foundation for genuine behavioural change. Change never begins by suppressing a pattern; it begins by understanding it honestly.

5. Positive States Must Be Trained

This may be the most important-and most frequently overlooked-point in this article. It is not enough to know the desired emotional state. Positive states must be actively anchored. This requires systematic training.

The comparison with athletic preparation is compelling. No elite athlete enters a competition hoping that access to their best abilities will magically appear in the decisive moment. That access is trained repeatedly until the brain can retrieve it automatically-even under pressure.

Driskell, Copper, and Moran (1994) demonstrated in a meta-analysis of 35 studies that mental practice significantly improves real-world performance-not only in sports, but also in complex professions such as surgery and aviation. For the brain, the boundary between mental experience and actual experience is more fluid than most people intuitively assume. Vividly imagining a state activates many of the same neural structures involved in the real experience.

Techniques for state anchoring can be found both in hypnotherapy and in modern approaches to sport psychology and performance optimisation. The principle is simple: a desired internal state-such as confidence or calmness-is linked to a specific external anchor. A gesture. A breath. An internal phrase. When this association is trained frequently enough, the brain can retrieve the desired state more quickly, even under stress.

The tool: Think of a moment in your life when you felt genuine self-confidence. Recreate that moment as vividly as possible. Who was there? Where were you? What did your body feel like? Then establish a personal anchor-perhaps a clenched fist, a deep breath, or a subtle smile. Repeating this exercise regularly builds a neural connection that can be accessed under pressure.

Bonus: Authenticity as an Underestimated Resilience Factor

Stress also emerges wherever people are not living as themselves. Where they are trying to fulfil expectations that are not truly their own. Where the role being played has drifted too far from the inner self.

This does not mean professional roles are unnecessary. Professionalism, role clarity, and appropriate behaviour remain important leadership competencies. But when a role remains in conflict with a person’s authentic experience for an extended period, internal tension develops-and that tension continuously consumes energy. Often unnoticed because it has become normal.

Kernis and Goldman (2006) describe authenticity as a four-dimensional concept consisting of self-awareness, unbiased self-perception, congruent behaviour, and relational openness. Leaders with high levels of authenticity report not only lower perceived stress but also greater psychological resilience overall.

People can function for a long time without truly being themselves. But leading effectively over the long term is difficult without a certain degree of internal congruence. Authenticity is not a soft skill. It is a resilience factor.

Conclusion: Resilience Begins in Everyday Life-Not in Crisis

If all these insights can be distilled into a single message, it is this: stress is not only a problem of circumstances. It has a great deal to do with the strength of one’s internal foundation. How people live. How they think. Which relationships they cultivate. Which patterns become activated under pressure. And how much permission they give themselves to be authentic.

Resilience is not a character trait that people either possess or lack. It is a learnable capability. And it is not developed during crises-it is developed beforehand, in everyday life, through consistent practice.

The World Economic Forum ranked resilience, flexibility, and agility as the second most important future skill in the Future of Jobs Report 2025, cited by 67% of employers-second only to analytical thinking (WEF, 2025). This is no coincidence. In a working world that is changing ever more rapidly and generating increasing ambiguity, the ability to stabilise oneself internally is no longer merely a personal virtue-it is a strategic necessity.

The critical question is therefore not:

"How can I ensure that I never feel stressed again?"

The critical question is:

"What can be strengthened internally so that stress has less control?"

That is the real challenge of modern self-leadership. And it begins-like the fortress-long before the next storm arrives.

About the Author

Dominique Giger is a transformation expert, coach, and keynote speaker with a Master's degree in Computer Science from ETH Zurich. She brings more than 18 years of international experience in transformation and change initiatives, supporting organisations and leaders in building resilient, high-performing workplace cultures.

Her work combines insights from neuroscience with practical leadership experience, with a particular focus on mental resilience, sustainable performance, and authentic leadership in complex work environments.

Through her podcast, Y-SHIFT: The Next-Level Mindset & Transformation Podcast, she regularly shares insights into the fields of modern psychology, neuroscience, and leadership development.

Learn more about this topic in Episode 35 of her podcast (in German): Stop Overthinking – 5 Psychological Tools for Greater Inner Calm 

YouTube: https://youtu.be/I2Spwy3NENk

Spotify: https://open.spotify.com/episode/3AUlDJeq24HfTUfrEyLfu2

Apple Podcasts: https://podcasts.apple.com/us/podcast/y-shift-next-level-mindset-and-transformation/id1801021329

References

• Cohen, S., & Wills, T.A. (1985). Stress, social support, and the buffering hypothesis. Psychological Bulletin, 98(2), 310–357.

• Driskell, J.E., Copper, C., & Moran, A. (1994). Does mental practice enhance performance? Journal of Applied Psychology, 79(4), 481–492.

• Gross, J.J. (2002). Emotion regulation: Affective, cognitive, and social consequences. Psychophysiology, 39(3), 281–291.

• Kernis, M.H., & Goldman, B.M. (2006). A multicomponent conceptualization of authenticity: Theory and research. Advances in Experimental Social Psychology, 38, 283–357.

• Lally, P., van Jaarsveld, C.H.M., Potts, H.W.W., & Wardle, J. (2010). How are habits formed: Modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998–1009.

• ·Mayer, J.D., Salovey, P., & Caruso, D.R. (2008). Emotional intelligence: New ability or eclectic traits? American Psychologist, 63(6), 503–517.

• McEwen, B.S. (1998). Stress, adaptation, and disease: Allostasis and allostatic load. Annals of the New York Academy of Sciences, 840(1), 33–44.

• Nolen-Hoeksema, S. (2000). The role of rumination in depressive disorders and mixed anxiety/depressive symptoms. Journal of Abnormal Psychology, 109(3), 504–511.

• Techniker Krankenkasse (2025). TK Stress Report 2025.

• World Economic Forum (2025). The Future of Jobs Report 2025.