£800 text bill at age 14
George Mack's father received an £800 phone bill after George texted his first girlfriend obsessively, forcing a switch to phone calls.
Rabbit Hole: Does Tim Ferriss Dream In Japanese? - #1105
Tim Ferriss reveals the brain treatment that took his anxiety from a 9 to a 1 — plus the very NSFW side effect nobody warned him about.
Jun 1, 2026
2:28:10
Difficulty: Intermediate
Played
Modern Wisdom
Rabbit Hole: Does Tim Ferriss Dream In Japanese? - #1105
Tim Ferriss reveals the brain treatment that took his anxiety from a 9 to a 1 — plus the very NSFW side effect nobody warned him about.
Jun 1, 2026
2:28:10
Difficulty: Intermediate
Played
TL;DR
Tim Ferriss, Nirav Sanjani, and George Mack join Chris Williamson for a wide-ranging roundtable covering TMS therapy (Tim dropped his anxiety from a 9 to a 1 in one session), the UK vs US quality-of-life paradox (first in nearly everything, last in GDP), the mass false memory at Grenfell Tower, why AI can't forget and why that's a problem, the growing religion resurgence in a meaning-starved world, and how AI is turbocharging looksmaxxing.
#transcranial magnetic stimulation
#stellate ganglion block
#memory formation
#meaning crisis
#language acquisition
#AI hallucinations
#ambient AI
#looksmaxxing
#vagus nerve stimulation
#photographic memory
#aphantasia
#dating app monopoly
#religion resurgence
#AI consciousness
#UK vs US GDP
#TMS
#neuromodulation
#memory
#forgetting
#religion
#vagus nerve
#Tim Ferriss
#SGB
#dating apps
#language learning
#UK vs US
A wide-ranging roundtable with Tim Ferriss, Nirav Sanjani, and George Mack covering Mickey Mantle's infamous Yankee Stadium story, Tim's Japanese language immersion, the science and philosophy of memory and forgetting, AI hallucinations vs human hallucinations, the meaning crisis, neuromodulation (TMS/SGB) for anxiety and depression, vagus nerve stimulation, brain-computer interfaces, the UK vs US comparison, dating apps, and looksmaxxing with AI.
Chapter list
- TMS (Transcranial Magnetic Stimulation)
- A non-invasive brain stimulation technique that uses magnetic pulses to inhibit or excite targeted brain regions; used to treat depression, anxiety, and OCD.
- TDCS (Transcranial Direct Current Stimulation)
- A form of home-use brain stimulation using a low-voltage electrical current (e.g., a 9-volt battery headset) intended to treat depressive disorder.
- Stellate Ganglion Block (SGB)
- An ultrasound-guided anesthetic injection into a nerve bundle in the neck that resets the sympathetic nervous system; used for PTSD and anxiety.
- Vagus Nerve Stimulation (VNS)
- The application of electrical impulses to the vagus nerve to activate the inflammatory reflex; studied for migraines, rheumatoid arthritis, and HRV improvement.
- Aphantasia
- A condition in which a person is unable to voluntarily visualise mental imagery — they can only think in words rather than pictures.
- Hypernesia
- The opposite of amnesia — an unusually enhanced, highly detailed memory that can make it hard to forget grievances or negative events.
- Neuroplasticity
- The brain's ability to reorganise and form new neural connections; can be temporarily increased by substances like D-cycloserine or psychedelics.
- D-cycloserine
- An antibiotic-adjacent drug used as a neuroplasticity agent before TMS sessions to enhance the durability of the treatment's effects.
- Intermittent Theta Burst (iTBS)
- A rapid TMS protocol delivered in short bursts that mimics the brain's natural theta rhythms; used in accelerated TMS treatments.
- Savant Syndrome
- A condition, often following brain injury, in which extraordinary mental abilities (like compulsive artistic creation) emerge alongside other cognitive changes.
- Yips
- A sports phenomenon where an athlete develops an involuntary hesitation or flinch — often after a high-profile error — that repeatedly disrupts performance.
- Looksmaxxing
- A trend of systematically optimising one's physical appearance through evidence-based grooming, lifestyle changes, or cosmetic procedures, now increasingly aided by AI analysis.
- Phantom Vibrations
- The sensation of feeling one's phone vibrate when it is not actually vibrating — a conditioned Pavlovian response to expecting notifications.
- Retard Maxing
- A tongue-in-cheek term (popularised by Marc Andreessen) for deliberately avoiding optimisation and self-improvement culture.
- Ambient AI
- AI that operates passively in the background of daily life, surfacing contextually relevant information without requiring the user to actively query it.
Chapter 1 · 00:00
Why Don't Americans Use WhatsApp?
George Mack's father received an £800 phone bill after George texted his first girlfriend obsessively, forcing a switch to phone calls.
Chapter 3 · 03:08
Mickey Mantle's Best Yankee Stadium Experience
Mickey Mantle's most legendary Yankee Stadium memory sold for $242,000.
The Mickey Mantle Story That Sold for $242,000
For the 50th anniversary of Yankee Stadium, Mickey Mantle filled out a questionnaire asking for his most outstanding experience. His answer involved oral sex under the right field bleachers during the third inning with a pulled groin. He signed it 'the all-American boy.' It sold at auction for $242,000.
$242,000 Mickey Mantle questionnaire
A Yankee Stadium 50th anniversary questionnaire filled out by Mickey Mantle with explicit sexual content sold at auction for $242,000.
Chapter 4 · 05:42
Has 'Literally' Lost Its Meaning?
The word 'soon' was originally the Anglo-Saxon word for 'now', but generations of people saying they'd do things 'soon' and not doing them immediately caused it to drift in meaning.
Anglo-Saxon 'soon' originally meant 'now'
The word 'soon' was originally the Anglo-Saxon word for 'now', but generations of people saying they'd do things 'soon' and not doing them immediately caused it to drift in meaning.
Chapter 5 · 08:02
Tim's Japanese Crash Course
Adults learn languages faster than kids. They just don't have to.
Adults Learn Languages Faster Than Kids — They Just Don't Have To
Kids don't have a biological edge in language learning. They just have no mortgage, no job, and no escape. Adults can absorb a new language in six weeks of immersion because they already understand grammar, abstraction, and conceptual labeling. The real barrier is motivation and density of practice, not age.
Language fluency in 6 weeks vs 1 year
Tim Ferriss argues that 6 weeks of immersive language study can replicate what takes a year of weekly classes.
Adults learn languages faster than kids
Tim Ferriss argues adults are actually faster language learners than children because they already have conceptual scaffolding and can understand grammar explanations.
Chapter 8 · 20:23
Why Forgetting is Actually Useful
AI can remember everything. That's exactly the problem.
The Forgetting Problem of AI Memory
AI systems don't know how to forget. They store everything and dump it into context — generating noise, phantom connections, and irrelevant memories. Human brains are useful precisely because they selectively forget. The challenge for builders is designing AI that knows which memories are no longer salient. Without that, you get an overwhelmed system, just like a person who can't let go.
Chapter 9 · 31:28
How Easily Do We Invent Memories?
Five people swore they saw a baby caught at Grenfell Tower. It never happened.
Grenfell Tower and the Psychology of False Memory
Five eyewitnesses at the Grenfell Tower fire reported seeing a baby dropped from the top floor and caught. The story spread everywhere. Then physicists ran the numbers: at that height, the force on impact would be lethal. There was no baby. The eyewitnesses had collectively hallucinated a miracle in the middle of a tragedy — a sobering reminder that memory is not a recording, it's a reconstruction.
Grenfell Tower baby story — hallucinated memory
Five eyewitnesses reported a baby being dropped from the top of the burning Grenfell Tower and caught, but physicists later calculated the catch was physically impossible, revealing it as a mass hallucinated memory.
Chapter 10 · 36:30
How Close Are We to Living in VR?
The iPhone home screen hasn't changed in 20 years. This startup is fixing that.
The Future of AI Isn't Apps — It's Ambient Presence
The iPhone home screen hasn't changed in twenty years. Every interaction requires you to open an app and pull information. Ambient AI flips this: the device should know what you need before you ask, and surface it directly on your home screen. Nirav Sanjani is building exactly this. The end state is a device that's present when you need it and invisible when you don't.
Chapter 11 · 45:01
Can You Train a Photographic Memory?
You can train your visual memory. Here's the exercise Tim Ferriss uses.
Can You Train a Photographic Memory? Tim Ferriss Says Yes
Tim Ferriss's visual memory is so strong he can recall the floor plan of almost every restaurant he's ever visited. But he insists most people can dramatically improve their visual memory through one practice: drawing from life instead of from mental concepts. The key shift is learning to see what's actually in front of you — the black parts of a green tree — rather than your brain's shorthand version of it.
Chapter 12 · 50:17
How Mirrors Have Changed Human Behaviour
Humans were never supposed to see their own faces this often. Here's the cost.
How Mirrors Changed Human Self-Perception
Before mirrors, humans had almost no reliable way to see themselves. The selfie camera changed everything — now people examine themselves more than ever in history, and cosmetic surgery spiked during COVID when Zoom forced people to stare at their own faces for hours a day. Less mirror exposure correlates with higher self-reported happiness. The phone is the black mirror.
Chapter 13 · 53:33
How Do We Find Meaning?
59% of sci-fi books are about one thing: the search for meaning. We're living that now.
The Meaning Crisis Is Real — And Getting Worse
A woman with stage-four cancer analysed 200+ sci-fi books and found that 59% were about the search for meaning in a post-scarcity world. Viktor Frankl said it in the 20th century and it's truer now: people have the means to live but no meaning to live for. Tim Ferriss sees this accelerating among his own audience — apathy, nihilism, and creeping dread are at historic highs.
59% of sci-fi books are about meaning
A woman with stage-four cancer in remission analysed 200+ sci-fi books and found that 59% of them centred on the search for meaning in a post-scarcity world.
Chapter 14 · 1:05:26
Are More People Turning to Religion?
Atheism isn't cool anymore. Here's why religion is making a comeback.
Why Religion Is Suddenly Cool Again
Atheism feels increasingly sterile and judgmental in a world desperate for meaning. Religious people live longer, report more happiness, have stronger communities, and better mental health. If those outcomes are real, dismissing religion as irrational is itself irrational. Even Latin Mass — conducted entirely in a language the congregation doesn't speak — is one of the fastest-growing religious services in the world.
Chapter 16 · 1:21:21
Are Dating Apps Dying?
Match Group owns Tinder, Hinge, Match, and most major dating apps, representing a near-monopoly on modern digital dating, with only Bumble and Raya remaining independent.
Match Group owns nearly all dating apps
Match Group owns Tinder, Hinge, Match, and most major dating apps, representing a near-monopoly on modern digital dating, with only Bumble and Raya remaining independent.
Chapter 19 · 1:26:22
Does the US Struggle to Laugh at Itself?
The UK beats the US in almost everything. Except the one thing that matters.
UK vs USA: First in Everything Except What Matters
If the UK were a US state, it would rank first in life expectancy, lowest homicide rate, gun deaths, prisoner population, healthcare coverage, paid maternity leave, statutory paid holiday, road deaths, and years in education. It would rank 51st — dead last — in GDP per capita. Americans, Chris found, had an excuse for every single data point except the money one.
UK ranks 51st in GDP per capita as a US state
A chart comparing the UK to US states showed the UK would rank first in life expectancy, homicide, and gun deaths but dead last — 51st — in GDP per capita.
Psychedelics Open a 2-3 Week Neuroplasticity Window
Gould-Dolan at UC Berkeley has shown that psychedelics temporarily reopen critical developmental windows — the same neuroplasticity that exists in childhood. For two to three weeks after a psychedelic experience, your brain is unusually malleable. Habits formed in this window stick harder. This applies to stroke rehabilitation, language acquisition, and, critically, whatever you're doing at 11pm.
Neuroplasticity window: 2-3 weeks post-psychedelics
Research by Gould-Dolan at UC Berkeley suggests psychedelics reopen a critical neuroplasticity window lasting two to three weeks, during which habits — good or bad — are much more likely to stick.
Chapter 20 · 1:34:46
Could Neuromodulation Cure Depression?
One session of TMS took Tim Ferriss's anxiety from an 8 to a 0. Here's how.
How Tim Ferriss Went From a 9 to a 1 on Anxiety
Tim Ferriss used accelerated TMS combined with the neuroplasticity agent D-cycloserine to drop his generalised anxiety and OCD rumination from an 8-9 out of 10 to near zero — in a single day. The effects lasted three to four months. It changed how fast he fell asleep, how easily he meditated, and how he processed the friction of daily life.
UK: 12,183 social media arrests in 2023
The UK had 12,183 arrests for posting on social media in 2023 — nearly double second-place Belarus — according to Freedom House statistics cited in The Times.
The Stellate Ganglion Block: Chris Williamson's Nervous System Reset
A stellate ganglion block involves an ultrasound-guided anaesthetic injection into a nerve bundle in the neck, essentially shaking the etch-a-sketch of your sympathetic nervous system. Chris Williamson tracked a 30% overnight increase in HRV that held for months. It's primarily used for PTSD in soldiers. You do one side, wait, then do the other — because both at once would shut down half your face and throat.
30% HRV increase from SGB
Chris Williamson tracked a 30% overnight increase in HRV after a bilateral stellate ganglion block, which held for several months before gradually declining.
The TMS Side Effect Nobody Warned Tim About
After his first successful TMS treatment, Tim Ferriss couldn't ejaculate for two weeks. His doctor had never seen it before and attributed it to over-suppressing the sympathetic nervous system. The good news: anxiety gone. The bad news: something else gone too. Eventually it resolved — and now he knows to expect it as confirmation that the treatment worked.
TMS side effect: 2 weeks unable to ejaculate
After his first effective TMS treatment, Tim Ferriss was unable to ejaculate for two weeks — a side effect attributed to over-suppressing the sympathetic nervous system.
Vagus Nerve Stimulators: Most Are Bunk
Most non-invasive vagus nerve stimulators don't hit the nerve correctly. The nerve fibres barely reach the ear, and most ear-based devices aren't positioned in the right spot — the cymba concha. The neck-based devices are more promising and are FDA-cleared for migraines. But Setpoint Medical's implant — the size of an omega-3 capsule, inserted as an outpatient procedure — is the real frontier.
Setpoint Medical vagus nerve implant
Setpoint Medical makes a vagus nerve implant the size of a small omega-3 capsule, inserted in an outpatient neck procedure, that fires twice daily to treat rheumatoid arthritis.
AirPods revenue = top-8 company globally
If AirPods were a standalone startup, its revenue would rank it among the top eight companies in the world.
TMS: 8-9 anxiety to 0-1 in one day
Tim Ferriss reported that accelerated TMS with D-cycloserine reduced his anxiety and OCD rumination from an 8-9 out of 10 to near zero, with effects lasting 3-4 months.
No indexed bits in this chapter.
Show stoppers
How Tim Ferriss Went From a 9 to a 1 on Anxiety
Tim Ferriss used accelerated TMS combined with the neuroplasticity agent D-cycloserine to drop his generalised anxiety and OCD rumination from an 8-9 out of 10 to near zero — in a single day. The effects lasted three to four months. It changed how fast he fell asleep, how easily he meditated, and how he processed the friction of daily life.
UK vs USA: First in Everything Except What Matters
If the UK were a US state, it would rank first in life expectancy, lowest homicide rate, gun deaths, prisoner population, healthcare coverage, paid maternity leave, statutory paid holiday, road deaths, and years in education. It would rank 51st — dead last — in GDP per capita. Americans, Chris found, had an excuse for every single data point except the money one.
Snapshots ()
Key Quotes ()
This episode
Claims & Sources
4 / 15 cited (27%)
Factual claims made this episode, and whether a source was named.
Adults can reach basic conversational fluency in a new language in one week using the Michel Thomas method, which provides grammatical scaffolding rapidly.
Adults learn languages faster than children because they have prior conceptual frameworks; children only appear faster because they are forced into total immersion with no competing obligations.
The Anglo-Saxon word 'soon' originally meant 'now', and drifted in meaning over generations because people consistently used it without immediate action, leading to the creation of the word 'now' as a replacement.
Five eyewitnesses at the Grenfell Tower fire reported a baby being dropped from the top floor and caught, but physicists later calculated this was physically impossible, identifying it as a mass hallucinated memory.
A cat named Sabrina survived a fall from the 32nd floor of a New York City skyscraper in 1987, suffering only a chipped tooth, collapsed lung, and minor chest injuries, and fully recovered.
A woman diagnosed with stage-four cancer who went into remission analysed over 200 science fiction books and found that 59% were about the search for meaning in a post-scarcity world, with identity next at 17%.
The general chemical imbalance theory of depression — that people are depressed because of low serotonin — is now thoroughly debunked.
Accelerated TMS combined with D-cycloserine (a neuroplasticity agent) reduced Tim Ferriss's generalised anxiety and OCD rumination from an 8-9 out of 10 to approximately zero, with effects lasting 3-4 months.
A stellate ganglion block produced a 30% overnight increase in HRV for Chris Williamson, as measured by his WHOOP device, lasting approximately three to four months.
The UK had 12,183 arrests for posting on social media in 2023, nearly double that of Belarus in second place (6,205), according to Freedom House statistics reported in The Times.
Psychedelics reopen critical developmental neuroplasticity windows for two to three weeks following a session, according to research by Gould-Dolan at UC Berkeley.
Some data suggests people with fewer mirrors in their homes self-report as generally happier.
Cosmetic surgery rates increased markedly during COVID-19 as people spent more time seeing themselves on Zoom calls — a phenomenon termed 'Zoom face'.
Setpoint Medical's vagus nerve implant — approximately the size of an omega-3 capsule, inserted as an outpatient procedure — is cleared for treating rheumatoid arthritis via the inflammatory reflex.
Match Group owns nearly all major dating apps except Bumble and Raya, representing a near-monopoly on the digital dating market.
This episode
Cast
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Guest and main contributor; author, entrepreneur, and podcaster who discusses TMS therapy, language learning, and the meaning crisis.
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Discussed critically for optimising for rationality over effectiveness when responding to Ayaan Hirsi Ali's religious conversion, and for claiming Claude AI may be sentient.
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UK housing block fire used as a case study in how emotional trauma generates mass false memories among eyewitnesses.
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Cited as an example of a prominent atheist who converted to Christianity after a personal crisis, contrasted with Richard Dawkins's dismissive response.
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Original iPhone designer brought in by OpenAI to develop their upcoming AI hardware product.
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Holocaust survivor and psychiatrist quoted by Tim Ferriss: 'Evermore people today have the means to live, but no meaning to live for.'
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Track
Discussed regarding AirPods' extraordinary revenue, the iPhone's stagnation, and speculation about their AI hardware strategy.
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TMS startup Tim Ferriss has invested in; develops the one-day accelerated TMS protocol and a compact device that fits in a car trunk.
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One of the few dating apps not owned by Match Group; discussed for Whitney Wolfe Herd's plan to have AI avatars date each other.
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Discussed as holding a near-monopoly on the dating app market, owning Tinder, Hinge, and most major platforms.
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Israeli publicly-traded TMS device manufacturer cited by Tim Ferriss as one of the most established in the market.
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Discussed in relation to their upcoming AI hardware device developed with Jony Ive's design studio IO.
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Medical device company making an implanted vagus nerve stimulator the size of an omega-3 capsule, cleared for rheumatoid arthritis.
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Cited in Packy McCormick's 'Riding the Leopard' article as having crossed a $44 billion annualised revenue run rate.
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Brain stimulation technique Tim Ferriss uses for anxiety and OCD; central to the neuromodulation discussion.
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Extensively compared to US states across metrics including life expectancy, gun deaths, paid leave, and GDP per capita, ranking first in most quality-of-life measures but 51st in GDP.
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Tim Ferriss's childhood home — specifically Montauk at the tip — described as having a barbell distribution of extreme wealth and poverty.
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