Shelly'sΒ Blog

How to Break Bad Habits ⏐ The Real Neuroscience Behind Changing Your Life

If you’ve ever found yourself stuck in a habit you hate—doom-scrolling, procrastinating, smoking, snacking late at night, or snapping at your kids—you’re not alone. And you’re not broken.

You’re simply running a pattern.

Most people think bad habits stick because they lack discipline or motivation. The real reason is far more scientific—and far more hopeful. Your habits live in the part of your brain responsible for automatic behaviour, not conscious decision-making. That means that once a habit is formed, your brain stops actively choosing it. It just repeats the loop, again and again.

And until you understand how that loop works, you can’t break it.

The Habit Loop Running Your Life

Every habit—good or bad—exists because of three components:

  • Cue (the trigger)
  • Routine (the behaviour)
  • Reward (the emotional/chemical payoff)

Your brain doesn’t cling to the routine because it’s helpful.
It clings because the reward temporarily meets a need—relief, distraction, comfort, escape, or stimulation.

When we try to quit a bad habit by using willpower alone, we’re removing the behaviour but leaving the need unmet. The loop stays alive, and the habit eventually returns.

My Story: The Habit I Hid For Years

For years, I smoked. Not casually. Not socially. I mean regularly. There were nights in the middle of winter where I would stand outside in freezing Canadian temperatures, holding a cigarette and knowing deep down that I was lying to myself.

The problem wasn’t the cigarette.
The cigarette was the routine.
The real reward was the break—my moment to breathe, escape, and press pause on overwhelming thoughts.

Once I understood that, everything changed.

The Real Reason Willpower Doesn’t Work

Willpower lives in the conscious mind.

Habits live in the subconscious.

Trying to break a habit with willpower is like trying to stop a tidal wave with your bare hands. Eventually, you get tired—and the old pattern wins.

The key is not to eliminate the habit.
The key is to replace the routine while keeping the cue and reward in mind.

Why Discomfort Is a Sign of Progress

When you interrupt a habit loop, your brain resists. It feels uncomfortable, wrong, frustrating, unnatural.

This is not a sign you’re failing.
It’s the exact sign your brain is rewiring, and that the old pathways are losing strength.

Neuroscientists call this neuroplasticity—the brain’s ability to reprogram itself at any age. Every new choice you make, every time you resist the old loop, you are physically changing your brain.

The 4-Step Method to Break Any Habit

Step 1: Identify the Loop
Write down the cue, routine, and reward. Make the habit conscious.

Step 2: Replace the Routine
Swap the behaviour with something that meets the same emotional need.

Step 3: Use Friction
Make the old habit harder to access and the new one easier.

Step 4: Tie It to Identity
You don’t rise to your goals.
You fall to your systems.

Identity creates systems.
Systems create habits.
Habits create your life.

You Are Not Broken. You Are Rewiring.

One year from now, you’ll look back on today either as:

  • The day everything changed
    or
  • The day you heard the truth and ignored it.

You don’t get what you want.
You get what you repeat.
Start repeating something your future self will be proud of.