How to Use the 21/90 Rule to Achieve Lasting Success for a Better Life

by | Apr 20, 2023 | 0 comments

 I’ve teamed up with some fantastic companies to bring you things that will help you accomplish your life goals! If you purchase through one of my partner affiliate links, I will get a small commission for the referral at no cost to you!

Read the full Disclosure.

Thank you for supporting my blog.☺️

Hey there! Ever wondered how some people seem to effortlessly transform their lives and achieve lasting success through the power of good habits? I know I have, and believe me, I’ve tried my fair share of tactics in my quest for self-improvement.

Today, I’m thrilled to share with you a very simple rule that has helped me break free from the chains of old habits and build an entirely new lifestyle – the 21/90 rule (or what some might call the 21/66 rule).

The idea is simple: commit to a new habit for 21 days, and it will become a habit. Keep it up for 90 days, and it will become an integral part of your lifestyle. This simple rule can be a game-changer for anyone struggling to develop or stick to new habits.

Understanding the habit trigger is crucial in making this process effective. Identifying the right trigger can help you start the same habit consistently, making it easier to complete and maintain in the long run.

So, if you’re tired of starting over every Monday and yearning to make lasting changes, keep reading!

While some experts suggest that it takes 21 days to start forming a habit, others argue that it can take up to 66 days or more to make a habit a permanent change.

University College London’s researchers looked at how long it took individuals to reach a limit of self-reported automaticity when performing a new behavior, meaning when the action became automatic. Among those for whom their model was a good fit, the average time it took to reach this level was 66 days. This suggests that making a habit a permanent change can take longer than the commonly cited 21 days.

Regardless of the exact timeline, the essence of the 21/90 rule is to give you a structured approach that makes habit formation achievable and sustainable.

Now, you might be thinking, “What is this 21/90, and how can it help me?” Great question! The 21/90 rule is a popular method that emphasizes the idea of focusing on one new habit for 21 days and then continuing it for another 90 days to make it a permanent lifestyle change. It’s a secret weapon for many successful individuals; the best part is it’s straightforward to implement!

The reason why good habits are so important for lasting success is simple: our habits define us. Whether we’re aiming for a healthier lifestyle, advancing in our careers, or maintaining meaningful relationships, cultivating good habits can propel us forward and significantly impact our overall well-being.

So, let’s dive in, and together; we’ll learn how to make lasting changes and create the lives we’ve always dreamed of!

The 21/90 Rule Explained

The Concept of the 21/90 Rule

The 21/90 rule is based on the idea that it takes around 21 days to form a new habit and another 90 days to make it a permanent part of your lifestyle. I know this might initially sound daunting, but stay with me here. The concept is quite simple:

Focus on one new habit for 21 days – This helps your brain create a “habit loop” that makes the new behavior feel more natural and automatic.

Continue practicing the habit for an additional 90 days – This reinforces the habit, turning it into a deeply ingrained part of your daily routine.

Remember that the 21/90 rule is not a strict formula set in stone. After all, we’re all unique, and forming habits might take more or less time, depending on various factors. But the essence of this rule is to give you a structured approach that makes habit formation achievable and sustainable.

How the 21/90 Rule Can Be Used to Develop Good Habits

Now that you know the basics of the 21/90 rule, let’s talk about how it can help you develop good habits. First and foremost, choosing a habit that aligns with your goals and is realistically attainable is essential.

For example, if you aim to improve your physical fitness, you could start with a daily 15-minute walk or commit to a short workout session.

Once you’ve identified a habit to focus on, consistency is key. Make sure you practice the new habit every day for the initial 21 days to help your brain adjust. During this period, keep track of your progress, and don’t be too hard on yourself if you stumble.

After the first 21 days, continue working on your new habit for another 90 days. This helps solidify the habit and make it a permanent part of your lifestyle. Remember to celebrate small victories along the way, and if you ever feel discouraged, remind yourself of the long-term benefits of your new habit.

Understanding the Importance of Good Habits

The Impact of Habits on Success and Personal Growth

As I’ve experienced firsthand, our habits significantly shape our lives and determine our success. Think of habits as the building blocks of your daily routine. Over time, they influence your thoughts, actions, and, ultimately, your achievements.

Good habits can propel you toward your goals, whether it’s improving your health, excelling in your career, or nurturing meaningful relationships. Conversely, bad habits can hold you back, as invisible barriers hinder your growth.

Take my journey to a healthier lifestyle, for instance. I used to struggle with eating unhealthy snacks and skipping workouts. But when I embraced the 21/90 rule and started focusing on developing healthy habits, I noticed a considerable difference in my energy levels, mood, and overall well-being. It was a game-changer!

Check also: 11 Easy Ways of Breaking Habits That Are Old and Not Good.

Differentiating Between Good and Bad Habits

Identifying good and bad habits is crucial in determining where to focus your efforts. So, how do we differentiate between the two?

Good habits are behaviors that:

  • Align with your values and long-term goals
  • Positively impact your physical, mental, or emotional well-being
  • Foster personal growth and self-improvement

On the other hand, bad habits are behaviors that:

  • Conflict with your values or hinder your progress toward your goals
  • Negatively affect your health, relationships, or career
  • Create stress, guilt, or other negative emotions

Remember, it’s essential, to be honest with yourself when evaluating your habits. Identifying areas for improvement is the first step toward lasting change.

The Science Behind Habit Formation

If you’re anything like me, you might wonder, “Why do habits even form in the first place?” Well, let’s dive into the fascinating world of neuroscience momentarily.

Habit formation is rooted in our brain’s desire for efficiency. When we perform an action repeatedly, our brain creates a “habit loop” that consists of three elements:

  • Cue – A trigger that initiates the habit
  • Routine – The actual behavior or action
  • Reward – A positive reinforcement that makes the habit feel satisfying

Over time, this habit loop becomes ingrained in our neural pathways, making the behavior feel automatic and natural. That’s why the 21/90 rule is so effective: by consciously repeating a new habit for a set period, we’re encouraging our brain to create a new habit loop, replacing old patterns with more productive ones.

Check also: Make Your Mind Strong: Understanding the Science of Habit Formation.

How to Identify and Choose Habits for Lasting Success

Setting Realistic and Attainable Goals

Before diving headfirst into habit formation, setting realistic and attainable goals is crucial. I know it’s tempting to dream big and imagine yourself becoming a marathon runner overnight, but setting too ambitious goals can lead to disappointment and burnout. Instead, focus on breaking down your goals into smaller, manageable milestones. This will not only help you stay motivated but also allow you to celebrate your progress along the way.

For example, if your ultimate goal is to lose weight, you might start by setting a smaller goal of losing 5 pounds monthly. This way, you can build healthy habits supporting this goal, such as regular exercise and mindful eating.

Identifying Habits that Align with Your Goals

Once you’ve set your goals, it’s time to identify the habits that will help you achieve them. To do this, ask yourself, “What daily actions can I take to bring me closer to my goals?” Then, brainstorm a list of habits that align with those actions.

For example, if your goal is to improve your mental health, you might consider the following:

  • Practicing daily gratitude
  • Incorporating meditation or mindfulness exercises
  • Spending quality time with loved ones

Remember, choosing realistic, achievable habits directly connected to your goals is key. This will ensure that your efforts are focused and purposeful.

Choosing Habits That Suit Your Personality and Lifestyle

While selecting habits that align with your goals, choosing habits that suit your personality and lifestyle is equally important. After all, we’re all unique, and what works for one person might not work for another.

For example, waking up at 5 a.m. to exercise might not be the best choice if you’re a night owl. Instead, try finding an evening workout routine that suits your schedule and natural inclinations.

When selecting habits to incorporate into your life, consider the following:

  • Your interests and passions
  • Your schedule and available time
  • Your physical, emotional, and mental capabilities

By choosing habits that resonate with you personally, you’ll be more likely to stick with them in the long run, ultimately paving the way to lasting success.

Remember, the journey to lasting success is unique for each person. Embrace the 21/90 rule as a tool to help you develop good habits, but also be open to adapting and adjusting your approach as you learn what works best for you. With persistence and determination, you’ll soon find yourself on the path to a better life filled with achievements, growth, and happiness.

Step-by-Step Guide to Applying the 21/90 Rule

Define Your Habit and Goal

The first step in applying the 21/90 rule is clearly defining the habit you want to develop and the goal you want to achieve. For example, if you want to improve your fitness, your habit might be “exercise for 30 minutes every day,” and your goal could be “lose 10 pounds in three months.” By explicitly defining your habit and goal, you create a clear vision of what you’re working towards, helping you stay focused and motivated.

Break Down the Habit into Manageable Tasks

As someone who has tried and failed at countless New Year’s resolutions, I’ve learned that breaking habits down into smaller, more manageable tasks is essential for success.

For instance, if your goal is to exercise every day, you might start walking for 15 minutes daily, gradually increasing the intensity and duration over time.

By breaking down the habit into bite-sized pieces, you’re making the habit more approachable and reducing the chance of feeling overwhelmed or discouraged.

Check on: 10 Exciting 10-Day Challenges to Transform Your Life: Bye-Bye Bad Habits.

Set a Specific Start Date

Having a specific start date gives you a sense of commitment and urgency. So, grab your calendar and choose a start date that works best for you. It could be the beginning of a new week, a new month, or even a significant milestone in your life, like a birthday or an anniversary.

Remember, it takes 21 days to create a habit and 90 days to make it a permanent part of your lifestyle. Stick to the plan, and you’ll be amazed by the positive changes you’ll see in yourself.

Track Your Progress and Adjust as Needed

Monitoring your progress is crucial to staying on track and making any necessary adjustments along the way. You can use a habit tracker, journal, or even an app to keep track of your daily progress.

If you encounter setbacks, don’t get discouraged; it’s all part of the process. For example, I once had a setback where I missed a few days of exercise due to illness. Instead of beating myself up, I acknowledged the setback, adjusted my plan, and got right back on track.

Remember, it’s not about being perfect; it’s about making progress, learning from setbacks, and moving forward.

Check also: How to Unleash Your Potential: The Habit-Building Journal for Emotional Growth.

Seek Support and Accountability

Ah, the magic of building habits with some backup!

Picture this: it’s day 15 of your new habit, and you feel like a habit-forming Wonder Woman. Then suddenly, you hit a bump in the road, and all motivation starts to fade.

But fear not, my fellow habit-builders! This is when your dedicated habit coach or accountability partner swoops in to save the day. You know, that friend who sends you a hilarious meme to remind you to hit the gym or your mom-turned-habit-coach who calls to say she’s proud of your green smoothie game.

With an army of cheerleaders behind you, even the toughest days become a breeze. So, go ahead and recruit your habit-building dream team! Because, let’s face it, we could all use a little help now and then to keep us on track and laughing all the way to success.

Tips for Staying Motivated and Consistent

Embarking on the journey of habit development can be both exciting and challenging.

Here are some tips for making your new habit stick to helping you stay on track and overcome any obstacles that may come your way.

Establishing a Daily Routine

Creating a daily routine is a fantastic way to build good habits and maintain consistency. Integrating your new habit into your everyday life makes it integral to who you are. For instance, if you want to write more, set aside a specific time each day to focus on your writing. This will help you stay accountable and reinforce the habit over time.

Remember, consistency is key. The more you practice your habit, the more ingrained it becomes in your mental image of yourself.

Setting up Reminders and Visual Cues

We’re only human; sometimes, we forget even the most important tasks on our to-do list. Setting up reminders and visual cues can be a helpful way to keep your new habit top of mind. This could be a simple sticky note on your fridge or a daily notification on your phone.

Habit triggers, like pairing your new habit with an existing one, can also serve as helpful reminders. For example, if your goal is to practice mindfulness, try meditating right after brushing your teeth in the morning. Soon enough, brushing your teeth will become a cue to meditate.

Celebrating Small Victories

Don’t forget to celebrate your small victories along the way! Acknowledging your progress, no matter how small helps keep you motivated and reinforces the positive changes you’re making.

For instance, reward yourself with a small treat after completing your daily writing goal or share your accomplishment with a supportive friend. Celebrating your wins creates positive associations with your new habit, making it more enjoyable and sustainable in the long run.

Managing Setbacks and Challenges

No habit-creation journey is without its challenges. Setbacks are a normal part of the process, and very few people can claim a perfectly smooth path toward building permanent habits.

When you face setbacks, remember that having the wrong mindset can worsen matters. Instead of dwelling on the negative, focus on what you’ve accomplished so far and how you can overcome the current obstacle. Acknowledge the setback, learn from it, and use the experience to grow stronger.

Remember, it takes three weeks to form a habit and extra 66 days to make it permanent, according to researchers at University College London. Stay committed, be patient with yourself, and you’ll eventually conquer the challenges that come your way.

With these tips in mind, you’ll be well-equipped to stay motivated and consistent as you build new habits and work toward achieving your personal and professional goals. Keep up the good work, and you’ll soon see the fruits of your efforts!

Integrating the 21/90 Rule into Various Aspects of Life

Now that you have a solid understanding of the 21/90 rule and how to make habits stick, it’s time to explore how to apply this powerful method to different aspects of your life. Whether it’s enhancing your health, advancing your career, or improving your relationships, the 21/90 rule can catalyze lasting change and growth. Let’s dive into each area and see how the 21/90 rule can help you achieve your goals.

Health and Fitness

If you’re like most people, your health and fitness goals might seem like an uphill battle. But fear not! The 21/90 rule can help you totally overcome these challenges by breaking them down into manageable habits.

Start by setting specific, attainable goals for yourself, like losing a certain amount of weight or exercising regularly. Then, identify habits that will help you reach these goals, such as meal prepping, daily workouts, or practicing mindfulness to manage stress levels.

Commit to practicing your new habits for 21 days, and watch as they become a natural part of your daily routine. With continued dedication, you’ll build permanent habits that lead to a healthier and happier life.

Career and Professional Growth

The 21/90 rule can also be applied to your career and professional goals. Begin by identifying the skills or areas you’d like to improve. Next, list daily or weekly habits to help you accomplish these goals. This could be dedicating an hour a day to learning a new programming language, networking with industry professionals, or setting aside time to read up on industry trends.

By consistently practicing these habits over 21 days and beyond, you’ll easily expand your skill set and work towards achieving your professional goals.

Relationships and Communication

Whether fostering deeper connections with loved ones or improving communication with coworkers, the 21/90 rule can work wonders in relationships.

Identify areas where you’d like to see improvement, such as active listening, expressing gratitude, or being more empathetic. Then, set small, achievable habits that align with these goals, like spending 10 minutes each day having a meaningful conversation with a loved one or giving one genuine compliment a day to a coworker.

Sticking to these habits over 21 days will improve your relationships and communication skills.

Check also: 11 Keys to Personal Growth: Understanding the Power of Listening.

Personal Development and Self-improvement

Personal growth is an ongoing journey, and the 21/90 rule can be a valuable tool in your self-improvement arsenal. Identify the areas where you’d like to grow, whether cultivating a positive mindset, learning a new language, or practicing self-care.

Choose habits to help you achieve these goals and commit to practicing them consistently over 21 days. By maintaining your motivation and dedication, you’ll soon find yourself on the path to self-improvement and personal growth.


So, here’s the deal: whether your professional goal is getting fit, acing your career, or becoming a communication pro, embracing the power of the right habits could be your golden ticket to breaking free from the shackles of old mental images and soaring to new heights!

Go on, give it a shot! Remember, setting goals and sticking to them is one popular method among many to create a lasting impact. As the saying goes, “Little by little, a little becomes a lot.” Harness the potential of positive habits, and you’ll be well on your way to achieving your wildest dreams.

As you embark on this transformative journey, always remember that small steps can lead to significant achievements.

Now, go on and make those dreams a reality!

If you like this article, please share it with your friends and family! For more interesting and helpful blog posts, please visit my website,

Thanks for tuning in!

Hi, I'm Evon, the face of this website and autoimmune disorder warrior. As a nail technician/business owner with a background in a business organization, I have a unique perspective on building healthy habits tailored to today's busy lifestyle. I've developed strategies that are easy to follow, and I'm excited to share them with you. Life can be challenging, but with a smile, positive steps, and good habits, we can get back on track—even when faced with curveballs!
Written by Evon

Let’s start talking!


Submit a Comment

Your email address will not be published. Required fields are marked *