By Purple Essence • 28/02/2025
Estimated Reading Time: 6 Minutes

What do a Stanford psychologist, an ancient Roman emperor, and modern self-control research all have in common? They each offer powerful strategies for developing willpower, beating procrastination, and finding balance between short-term desires and long-term goals. In this post, we’ll explore how Kelly McGonigal’s “The Willpower Instinct,” Marcus Aurelius’s Stoic principles, and practical psychological techniques can help you build unshakable self-discipline.
1. Recognise the “Reward System” Trap
From Kelly McGonigal’s work, we learn that our brains often chase immediate rewards—like comfort food or binge-watching—hoping to reduce stress or boost mood. Yet research shows that these “rewards” frequently lead to guilt, frustration, or even greater stress afterward.
Key Insight: Test the promise of any reward. Does it truly make you happier, or does it sabotage your long-term goals?
Practical Tip: When you feel a craving (for food, a nap, or impulse spending), pause and ask: “Will this bring genuine relief or just a brief escape?” This reflection alone can weaken the craving’s hold.
2. Avoid the “What the Hell” Effect
One slip doesn’t mean you should abandon your entire plan. As McGonigal points out, feeling guilty over a small lapse—like eating a slice of cake when dieting—often triggers a bigger binge (“What the hell, I already blew it!”).
Key Insight: Self-forgiveness is essential. Acknowledge the slip-up, reset, and move on.
Practical Tip: If you miss a workout or indulge in fast food, recommit immediately. Don’t wait until “tomorrow” or “Monday.” That quick reset helps you avoid spiralling into further indulgence.
3. Stop Waiting for “Future You”
A common pitfall is assuming our “future self” will magically have more willpower. Marcus Aurelius’s Stoic teachings and modern psychology agree: Future you is still you. If it’s tough now, it’ll be tough tomorrow unless you start making small changes today.
Key Insight: Every choice you make now shapes your future self. Delaying tasks or relying on a “better tomorrow” rarely works.
• Practical Tip: Pre-commit to your goals. For instance, schedule workouts in advance, meal-prep healthy lunches or set up automatic savings. This reduces the daily decisions your “future self” must handle.
4. Willpower Is a Limited (But Trainable) Resource
Studies show that all forms of self-control draw from one “well” of willpower. If you exhaust it on minor tasks, you’ll have less left for big challenges. But like a muscle, you can strengthen it over time.
Key Insight: Tackle your most important tasks first—when your willpower is at its peak.
Practical Tip: If you’re prone to impulsive snacking or procrastination in the evening, plan your toughest tasks or workouts in the morning. Over time, gradually build willpower by taking on small daily challenges (like a short meditation or a 5-minute walk).
5. Practice Voluntary Discomfort (Stoic Style)
Inspired by Marcus Aurelius and broader Stoic thought, voluntary hardship or “discomfort training” toughens you mentally and physically, preparing you for life’s inevitable challenges.
Key Insight: Periodically forgo certain comforts—like skipping dessert or taking cold showers—to train resilience and gratitude.
Practical Tip: Start small. Choose one “discomfort challenge” each week (e.g., walk instead of drive for short distances). This fosters discipline and appreciation for what you do have.
6. Embrace the Dichotomy of Control
A core Stoic principle states that we should focus on what we can control (our actions, responses) and accept what we cannot (other people’s behavior, external events).
Key Insight: Stressing over uncontrollable factors drains willpower. Direct energy toward your own choices.
Practical Tip: When anxious or frustrated, ask: “Is this within my control?” If not, practice letting it go. If yes, channel your willpower into taking constructive action.
7. Show Up Every Day
Both Aurelius’s meditations and modern habit research emphasise consistency over grand efforts. You don’t need to run a marathon weekly—just commit to small, daily steps that align with your goals.
Key Insight: Mastery is built through repetitive, consistent practice, not sporadic bursts of motivation.
Practical Tip: Define your “non-negotiable” daily actions, whether that’s 10 minutes of journaling, 15 minutes of reading, or 20 minutes of exercise. Honour them every day.
8. Cultivate Self-Compassion
Blaming or shaming yourself when you fall short only undermines willpower further, as McGonigal’s research shows. Marcus Aurelius also advised against dwelling on mistakes, advocating swift self-correction instead.
Key Insight: Guilt and shame sap your mental energy. Compassion helps you rebound faster and stay disciplined.
Practical Tip: After any slip, replace self-criticism with a friendlier inner voice: “This happened, and I can learn from it. Let’s move forward.”
9. Surround Yourself with Good Influences
Willpower can be “contagious.” According to stoic wisdom (and modern social science), people in your circle can influence your habits—positively or negatively.
Key Insight: If you’re always around individuals who indulge in unhealthy or unproductive behaviours, it’s harder to maintain discipline.
Practical Tip: Seek out role models or communities aligned with your goals—whether it’s a fitness group, a writing club, or friends who support healthy eating.
10. Reflect Daily
Marcus Aurelius wrote personal “meditations” to reflect on his day’s actions. Research supports this: end-of-day self-reflection helps you spot patterns, reinforce good habits, and correct course swiftly.
Key Insight: A short nightly review keeps you accountable, fosters gratitude, and strengthens willpower.
Practical Tip: Ask yourself before bed: “What went well today? Where did I slip? How can I do better tomorrow?” Jot down notes in a journal or a note-taking app.
Self-discipline isn’t about perfection; it’s about daily commitment to principles that align with your deepest values. By blending modern psychology (like Kelly McGonigal’s willpower research) with ancient Stoic insights from Marcus Aurelius, you can strengthen your willpower “muscle,” beat procrastination, and navigate cravings or impulses with clarity. Remember: it’s the small, consistent steps—taken with self-awareness and compassion—that lead to transformative change.
Which principle resonates most with you? Drop a comment below and share your thoughts or experiences!
REFERENCES
1. McGonigal, K. (2013). The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do to Get More of It. Avery.
2. “Psychologist explains: How to build self-discipline and achieve your goals.” https://www.youtube.com/watch?v=-kibP3JIqUg
3. “The secret to self-control | Jonathan Bricker | TEDxRainier” https://www.youtube.com/watch?v=5aXCPJvnRzE
4. “10 Stoic Principles To Build SELF DISCIPLINE | Marcus Aurelius Stoicism” https://www.youtube.com/watch?v=bL4W0vgoO90

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