Reframing negative thoughts (e.g., "I can't do this") into positive affirmations to reverse the body's automatic stress response.
Hemsworth's hands and feet are bound while he is shoved into a pool. He must perform underwater exercises while managing his panic and breath.
Hemsworth undergoes three primary "stress tests" to practice these techniques:
Breaking overwhelming tasks into tiny, manageable "chunks," focusing only on the immediate next step.
A method used by first responders involving inhaling, holding, exhaling, and holding again for four seconds each. This triggers nerve fibers in the chest to signal the brain to "chill out".
The episode culminates in a terrifying 900-foot crane walk off the top of a skyscraper in Sydney, where he must apply every technique learned to remain calm.
