Summary
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Dopamine isnât about pleasureâitâs about motivation and survival.
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Too much instant pleasure breaks your brainâs balance and leads to long-term pain.
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You can reset your dopamine system by doing one hard thing daily.
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Exercise, cold exposure, or fastingâthese "painful" habits actually increase sustainable pleasure.
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This method is backed by neuroscience and helps reverse addiction-like behaviors.
This post is a summarized breakdown of insights shared in the video âDoing This Once A Day Fixes Your Dopamineâ from The Diary of a CEO. The episode features psychiatrist and addiction expert Dr. Anna Lembke, and explores how dopamine works, what throws it off balance, and how to restore it through daily habits. All scientific concepts and recommendations in this post are based on the explanations given in that interview.
 We scroll, we snack, we binge.
And then wonder:
âWhy does nothing feel exciting anymore?â
The answer isnât that youâre lazy or broken.
Itâs that your brain has lost its balance.
The solution?
You donât need to quit life or move to the mountains.
You just need to do one hard thing a dayâon purpose.
What Is Dopamine Really?
Dopamine is not pleasure.
Itâs the chemical that tells your brain:
âThis thing is importantâgo after it.â
Itâs responsible for:
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Motivation
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Reward prediction
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Movement toward goals
Without it, even a rat will starve to death with food just inches away.
In one famous experiment, scientists altered rats so that their brains could no longer produce dopamine. They didnât remove the ratâs ability to feel pleasureâthey just took away its motivation. Then they placed a piece of food directly into the ratâs mouth. It chewed and swallowed just fineâso clearly, it still liked the food. But when they placed the same food just one body-length away? The rat wouldnât move. Not even an inch. It simply lay there, eventually starving to deathâsurrounded by food.
The lesson?
Dopamine isnât about enjoying the reward.
Itâs about moving toward the reward.
Itâs the spark that gets you out of bed, not the feeling of being tucked in.
Pleasure vs Pain: The Brainâs Balance System
Pleasure and pain might feel like opposites.
But in the brain, theyâre handled by the same system and compensate for one another.
Think of it like a balance scale:
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When you do something pleasurable (eat sugar, scroll social media), dopamine spikes.
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The brain compensates by tipping the scale toward pain.
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Thatâs why pleasure is always followed by:
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Anxiety
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Craving
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Emotional crash
Over time, if you repeat this cycle too often, your brain adapts.
It stops returning the scale to center. Instead, the baseline shifts.
Now the pleasure side is lighter by default.
And the pain side feels heavier, even when nothing is happening.
At this point, youâre no longer seeking joy. Youâre just trying to escape discomfort.
This is the addicted brain.
The Cure? Do Something PainfulâOn Purpose
It sounds strange.
Why would discomfort help fix your brain?
âPleasure first creates imbalance.
Discomfort first creates stability.â
The key is to start with discomfort.
It feels hard at firstâcold showers, exercise, fasting.
Thereâs no dopamine spike. No instant reward.
But thatâs exactly why it works.
The stress is temporary, controlled, and voluntary.
So your brain doesnât treat it as danger.
It sees it as a challenge.
And once the discomfort ends:
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Dopamine rises slowly
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It stays elevated longer
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No crash, no cravingâjust balance
This is how you retrain your brain to feel good again.
3 Daily Habits to Reset Your Dopamine
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Exercise
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Boosts dopamine steadily during activity
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Increases baseline dopamine for hours afterward
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Reduces cravings
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Cold Exposure
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Cold showers or ice baths
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Initially uncomfortable â triggers long-lasting dopamine rise
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Builds mental resilience
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Intermittent Fasting
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Teaches your brain to wait for rewards
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Helps recalibrate the pleasure-pain balance
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Supports metabolic and mood health
Start Small: Just One a Day
You donât need to do all three.
Pick one discomfort and repeat it daily:
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20 minutes of movement
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A 30-second cold shower
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Skip breakfast twice a week
Your brain will hate it at first. Thatâs the point.
But after a few days or weeks, youâll feel it:
Clarity. Energy. Motivation.
Not because you chased pleasure,
but because you earned it.
Bonus: Why This Works (Scientifically)
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Voluntary discomfort triggers homeostatic balance in the brain
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Gremlins (a metaphor for neuroadaptation) jump to the other side of the scale
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Over time, your baseline dopamine resets higher, and you regain your sense of joy and focus
Final Thoughts
If youâve been feeling numb, tired, or stuck in cycles of distraction,
your brain isnât broken.
Itâs just out of balance.
And the fix isnât more pleasureâitâs just one small dose of pain. Daily.