Chapter Three
The Butterflies in Your Stomach
Case Studies: Cullen Dudas, Lumier • Senator Marco Rubio • Mark Twain • Robert De Niro
There are two types of speakers: those who get nervous and those who are liars.1
(Attributed to) Mark Twain
As you read in the Introduction, every living being on the planet, from one-celled organisms to four-legged animals to two-legged humans, responds to imminent danger by standing its ground and fighting for its life or by fleeing for its life. To enable either of these reactions, the body releases a sudden surge of adrenaline that activates the sympathetic nervous system and produces survival behaviors.
■ Fight-or-Flight: Internal Dynamics ■
This emergency network then sets many internal parts of the body ...
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