Why We Do What We Do
Discover the hidden forces shaping your daily decisions, habits, and social reactions. From unconscious cognitive shortcuts to evolutionary wiring, learn how human behavior actually works in everyday life.
Like Duolingo, but for Why We Do What We Do. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
24 levels across 4 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through Decoding Your Habits and Impulses, How Other People Steer Our Choices, The Architecture of Everyday Decisions, and The Evolutionary Engine Beneath. It starts from scratch.
Free forever · No credit card · iPhone & Android
Key ideas in Why We Do What We Do
- Around 40 to 50 percent of daily actions are automated habits rather than conscious decisions
- Habits are automatically triggered by familiar contexts and cues, bypassing active deliberation
- A habit begins with a situational trigger or cue in your surroundings or emotional state
- The trigger prompts an automatic behavioral routine
- The routine finishes with an immediate reward that teaches the brain to repeat the cycle
- Old habit loops are rarely erased entirely because neural pathways remain intact
- The most effective way to modify a habit is to preserve the cue (3 PM slump) and the real reward (energy/social break) while swapping only the middle routine
- Relying on sheer suppression usually fails once attention wavers
- Adding even small physical or logistical obstacles introduces friction that interrupts automatic impulses
- Eliminating steps or barriers reduces effort, making a desired behavior the path of least resistance
- Conscious self-control and willpower behave like an easily depleted fuel that runs low under stress and fatigue
- Automated routines and environmental defaults require minimal cognitive effort and take over when willpower is drained
- Procrastination happens when the brain attempts to soothe immediate emotional discomfort like anxiety, boredom, or self-doubt
- Better schedules and calendar apps fail to stop procrastination because the root trigger is emotional, not an inability to track hours
- The human brain processes thoughts about our future selves using similar neural circuits to those used for completely unfamiliar people
- Because our future self feels emotionally distant, the brain willingly offloads distress onto them in exchange for instant present relief
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Why We Do What We Do the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Why do you reach for your phone the moment you sit on the couch?
Get it right to open this lesson and 23 more in the app.
How to learn Why We Do What We Do, step by step
Go in order. 24 short levels across 4 sections, about 48 minutes in all, five minutes a day.
- 1
Decoding Your Habits and Impulses
- Spotting the Habit Loop in Real Time
- Why We Procrastinate and Avoid Discomfort
- 2
How Other People Steer Our Choices
- The Subtle Power of Social Proof and Conformity
- In-Groups, Out-Groups, and Tribal Instincts
- 3
The Architecture of Everyday Decisions
- How Context and Defaults Dictate Outcomes
- The Psychology of Scarcity and Urgency
- 4
The Evolutionary Engine Beneath
- Cognitive Shortcuts and Mental Biases
- Ancient Biology in the Modern Environment
4 sections · 8 units · 24 levels. Built to play, not to enroll.
Questions about Why We Do What We Do
How do I learn Why We Do What We Do?
Go in order: start with Decoding Your Habits and Impulses, then How Other People Steer Our Choices, then The Architecture of Everyday Decisions, then The Evolutionary Engine Beneath. On Tomo that's 24 short levels, about 48 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for Why We Do What We Do?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. Why We Do What We Do is one of its free courses, and you can type any other topic to get a course of your own.
Is the Why We Do What We Do course free?
Yes. Why We Do What We Do is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn Why We Do What We Do?
24 levels across 4 sections, about 48 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start Why We Do What We Do?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Why We Do What We Do is taught in the Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Why We Do What We Do today.
Download Tomo, search Why We Do What We Do, and play your first lesson in under a minute.