Complexity, by definition, can overwhelm us. Fast-changing situations, multi-level problems, too much data or too little, affect our ability to make decisions.
The way out of that is training. The new always requires processing and processing takes up resources. We freeze in the face of danger because we don't know what to do and our brain is overwhelmed by all the options available to it.
While training for specific situations enables us to do amazing things (think of soldiers in a battlezone and athletes in an Olympic stadium) it is the ability to deal with the unexpected that truly becomes our secret power.
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