Before You Decide, Notice Your State

How stress can pull our attention away from the future we are investing for.
Your attention can be pulled by what is happening around you or directed towards what you want to achieve. Investing regularly tests the balance between the two.
You may have a carefully considered financial plan and understand the importance of patience. Then markets fall, unsettling headlines multiply, and your portfolio starts losing value. The plan has not necessarily changed. Your experience of it has. Something that felt manageable a month ago suddenly feels intolerable. You feel compelled to act.
To understand that urgency, we need to look beyond the markets and notice what is happening inside us.
The market moves. Your nervous system responds.
The autonomic nervous system regulates many bodily functions without our conscious direction. Two of its main branches are the sympathetic system, which helps mobilise us for action, and the parasympathetic system, which supports rest, digestion and recovery.
These systems interact rather than operate as a simple switch between two exclusive states. But the distinction helps explain why the same person can experience the same investment very differently under pressure.
When we perceive a threat, sympathetic activity can increase. Our heart beats faster, our breathing changes and our muscles tense. The broader stress response also involves the release of hormones, including adrenaline and cortisol, which help the body mobilise resources to meet a challenge. This is commonly described as the “fight-or-flight” response.
Financial uncertainty can engage these stress responses even when there is no immediate physical danger. A falling portfolio can threaten something deeply meaningful: security, independence or the future we have worked towards.
The concern is real. The urgency it creates still needs examination.
Stress changes how we think
Under substantial or uncontrollable stress, the brain systems that support working memory, flexible thinking and deliberate control can function less effectively. Threat detection and familiar responses can gain greater influence. The popular description of an “amygdala hijack” captures something of this experience, although it simplifies a more complex process.
When we feel threatened, it can become harder to step back, explore alternatives and see beyond our first response. Reducing excessive arousal before an important decision gives us a better opportunity to consider the possibilities.
How cortisol can influence thinking
Cortisol is part of our normal stress response. Its effects depend on its level, timing and duration, as well as the circumstances and the individual.
Under significant stress, cortisol and other stress-related chemicals can interfere with functions supported by the prefrontal cortex, including planning, working memory and flexible thinking. We may become more reliant on familiar responses and mental shortcuts. Research also shows that acute stress can impair divergent thinking: the ability to generate several different ideas or possible solutions.
For investors, this creates a practical concern: urgent, reactive responses can receive more attention than a considered assessment of the available options.
Relief is not a strategy
Imagine an investor who has accepted that a long-term portfolio will experience difficult periods. During a sharp decline, that acceptance gives way to an overwhelming desire to stop the losses.
Selling promises something immediate: relief. The consequences for future income, purchasing power or participation in a recovery feel less pressing than the discomfort of market volatility today. Stress can shift attention away from the future we want towards the discomfort we are experiencing now.
Our willingness to bear risk can be affected by our internal state. A decision can feel entirely reasonable while being strongly influenced by a need for immediate relief.
A stress response needs room to settle
Our capacity to mobilise under pressure remains useful. The difficulty comes when repeated worry and stimulation leave too little opportunity for recovery.
Market updates, portfolio alerts and constant commentary can create repeated occasions for concern. Monitoring can begin to feel like control, even when it produces no useful action.
Build the environment before you need it
Awareness is the starting point. A better decision-making environment helps turn that awareness into practice.
Recognise that stress can affect your capacity to make decisions about long-term goals. Intentionally create time and space to become reflective before making investment decisions. Where circumstances allow, give yourself an opportunity to settle before acting.
Return to your written decision rules. Revisit your goals, income needs, investment horizon and the circumstances that would justify a change. An adviser can help examine both the investment concern and the urgency surrounding it.
Useful questions include: What has changed in my circumstances? What has changed in the investment case? What are the consequences of acting, and of waiting?
Calm does not guarantee a good decision. It creates more room to assess the evidence. Sometimes that assessment will support staying the course; sometimes it will justify a change.
Your future deserves your considered attention
Investment knowledge matters. So does the state in which we apply it.
We cannot prevent uncertainty or remove every uncomfortable feeling. We can learn to recognise when discomfort is directing our attention and create conditions that help us reconnect with our goals. Before making a decision that will shape your future, notice what is happening inside you.
The urgency of a feeling does not, by itself, establish the urgency of a decision.
Written by Marius Kilian






