And chemical. The fight-or-flight response—a.k.a. the adrenaline rush—cocktails adrenaline, cortisol (the stress hormone), and norepinephrine. It’s an extreme stress response. The brain switches to reactive survival autopilot. Options are limited to three: fight, flee, or freeze. Flow is the opposite: a creative problem-solving state, options wide open. Yet there are reasons for the confusion. The two highs are linked. Risk heightens focus and flow follows focus. This means that the fight-or-flight response primes the body—chemically and psychologically—for the flow state. Athletes report
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