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Yash Sonawane
Yash Sonawane

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What 3 Months of Studying My Own Thinking Taught Me (And Why You Should Care)

Tags: #productivity #career #learning #beginners #devops

Let me ask you something honestly.

When was the last time you changed your mind — not because someone argued louder, but because the evidence forced you to?

When did you last catch yourself thinking, “Wait… I might be wrong here”?

If you're being real, it's rare.

And that's not your fault.

Your brain wasn’t designed for truth — it was designed for survival.


The Real Problem Nobody Talks About in Tech

We spend thousands of hours learning:

  • Clean code
  • System design
  • DevOps pipelines
  • Performance optimization

But almost nobody teaches us how to think.

And that’s dangerous.

Because every bad decision you’ve made —

  • choosing the wrong tech stack
  • staying too long in a bad role
  • shipping the wrong feature

…was not a knowledge problem.

It was a thinking problem.


What Critical Thinking Actually Means

Critical thinking is not about being negative or argumentative.

It’s about:

Evaluating information clearly, questioning assumptions, and making decisions based on real evidence — not emotion or bias.

The reality?

  • 95% of your thinking is automatic
  • Your brain runs on shortcuts (biases)
  • Logic only activates when you force it

If you don’t train it — you don’t control it.


The 6 Biases Quietly Controlling Your Decisions

During my research, I found patterns in my own behavior:

  1. Confirmation Bias — You see what you already believe
  2. Anchoring Bias — First impression controls everything
  3. Availability Bias — One example feels like reality
  4. Dunning-Kruger Effect — Less knowledge = more confidence
  5. Sunk Cost Fallacy — You stay because you’ve invested
  6. In-Group Bias — Who says it matters more than what’s said

These are not theories.

They are happening to you every single day.


3 Mental Models That Changed My Thinking

Here’s what actually helped:

1. Inversion Thinking

Instead of asking “How do I succeed?”
Ask:

“How would I guarantee failure?”

Then avoid those things.


2. Second-Order Thinking

Don’t stop at:

“Will this work?”

Ask:

“And then what?”

Most failures are second-order consequences.


3. Circle of Competence

Know exactly where your knowledge ends.

The most dangerous place is:

Just outside your expertise — but inside your confidence.


The Truth About Social Media & Information

False information spreads faster than truth.

Not because of bots.

Because:

  • It’s emotional
  • It’s surprising
  • It’s engaging

Your brain is wired to react — not verify.

That’s why I started using a simple framework:

SIFT

  • Stop
  • Investigate the source
  • Find better coverage
  • Trace the claim

Takes 90 seconds.

Saves you from bad decisions.


Where Most People Go Wrong

Reading about thinking doesn’t improve thinking.

Just like:

  • Reading about gym ≠ getting fit

You need practice.

That’s what I focused on.


The Daily Exercises That Actually Worked

Simple, powerful, and practical:

  • Morning Claim Check → Challenge one belief daily
  • Assumption Strip → Break down your decisions
  • Steelman Drill → Strengthen opposing views before attacking them

These take 5 minutes.

But they rewire how you think.


Why I Wrote This Book

After 3 months of studying thinking, psychology, and decision-making —

I realized something:

Most people don’t fail because they lack skills.
They fail because they think poorly.

So I turned everything I learned into a simple, practical book:

👉 "Critical Thinking" by Yash Sonawane

💰 Price: $14.99

This book is NOT theory-heavy.

It’s built for:

  • Developers
  • Students
  • Engineers
  • Anyone who wants better decisions

What You’ll Get Inside

  • Real-world thinking frameworks
  • Cognitive bias breakdowns
  • Practical exercises
  • Decision-making systems
  • Mental models used by top performers

Read Before You Buy (Free Preview)

I’ve shared the first 4 chapters so you can explore before purchasing:

👉 First 4 Chapters


Get the Full Book

If this blog made you think differently —

You’ll love the full book.

👉 The Sharp Mind: A Complete System for Mastering Critical Thinking


Final Thought

The world doesn’t reward the smartest people.

It rewards the people who think clearly under pressure.

That’s a skill.

And like any skill —

You can train it.


Written by Yash Sonawane — DevOps Engineer & Technical Writer

If this helped you, share it with someone who needs it.

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