Publisher’s Review:

“What does your relationship container look like?”
A Course in Relationships to Reclaim Control of Your Life

In our daily lives, we encounter countless people—family, friends, partners, colleagues, and even fleeting encounters. Yet few of us pause to examine who occupies our hearts and what kind of impact these relationships are having on us. Some cling stubbornly to connections simply because they’ve known someone for a long time; others keep ties alive out of guilt or a sense of duty, though they’re already worn out. Before we know it, relationships cease to offer comfort and instead become sources of exhaustion, draining our vitality.

In this book, Professor Lee Heon-ju, an expert in counseling psychology at Yonsei University, reexamines interpersonal relationships through the fresh lens of the “container of relationships.” Who is in my heart right now? Who exerts the greatest influence over me? And whom do I want to keep by my side in the future? Through these questions, the author guides readers to reassess their own relationships.

Most importantly, this book does not attribute our relationships to fate or personality traits. It reminds us that we ultimately hold the reins of our lives, and that our relationships are realms we can choose and shape. For those who have grown weary from trying to accommodate everyone, this book will give them the courage to reclaim their power to select relationships that truly suit them.

“As long as you keep good people by your side, life will become much easier.”
Cultivating the discernment to recognize those worth keeping close

Why do we feel particularly at ease with some people, yet inexplicably drained around others? Why does meeting one person fill us with hope, while another leaves us doubting ourselves? Drawing on a variety of theories from counseling psychology and years of practical experience, this book lays out clear, concrete criteria for healthy relationships. Using the “Circle of Influence” and the “Circle of Meaning,” the author helps readers map their current relational landscape, and employs psychological concepts such as transference and projection, the contagion of anxiety, and the mirror self to explain why we repeatedly get hurt in relationships and keep falling into similar traps.

The book also presents specific standards for identifying those worth keeping: people who fit naturally with us like pieces of a puzzle, those who make us feel comfortable and safe, those who affirm our very existence, and those who genuinely rejoice in our successes. The author emphasizes that discovering such people and steering our relationships toward health ultimately shapes the quality of our lives. Furthermore, to maintain good connections with those we cherish, the book offers detailed guidance on how to recognize a partner’s strengths and hidden potential, how to express curiosity first, and how to listen deeply.

“Good relationships begin with tending to the container of your own heart.”
A journey to understand and care for your inner world

Even as we long for good relationships, the person we know least well is often ourselves. Why do we keep getting hurt by the same types of people? Why do certain words cut so deeply? Why do we end up overexerting ourselves in some relationships? Many people struggle with these questions, blaming others without really understanding what’s going on.

But the author points out that healthy relationships ultimately start with understanding ourselves. Only when we see clearly what wounds and unmet needs lie within, what emotions we’ve suppressed, and what kinds of relationships we both desire and fear, can our connections begin to change. Using tools like emotional journals, memory‑evocation techniques, and explorations of shadow emotions, this book helps readers delve into their inner worlds. And it teaches us this: only those who know how to tend to the vessel of their own hearts can truly and warmly welcome others into theirs.

“The Container of Relationships” is not merely a guide on “how to get along.” It is a companion on a journey to empty yourself of relationships that drain you, refill your container with the people you value, and choose—and create—better connections. For anyone weighed down by their relationships, it offers both gentle solace and a reliable compass.

★ A counseling psychology expert from Yonsei University introduces the concept of the “container of relationships,” guiding you to examine the people your inner world holds.
★ It teaches you how to discern who is worth drawing near and who should be kept at a distance, helping you build healthy interpersonal connections.
★ It emphasizes that those with rich emotional sensitivity should be especially careful in choosing their companions, forging deep bonds with the people who truly matter.
★ Interpersonal relationships are the result of deliberate choices, offering criteria for weighing options and making decisions for those who feel emotionally drained.

“When you decide who to keep by your side, your life begins to change.”
A letter to you—someone who strives to be kind to everyone yet has gradually lost sight of yourself—a guide to relationships that teaches you how to tell who deserves closeness and who needs distance.

Professor Lee Heon-ju, an expert in counseling psychology at Yonsei University, has introduced the concept of the “container of relationships.” This book will walk you through a reflection: Who currently occupies your heart? As you grow close to some, whom should you keep at a safe distance? It will help you discern who is worth keeping by your side for the long term, how to build healthy connections, and how to understand and care for your own emotions.

The author emphasizes that those who are emotionally sensitive and adept at empathy and acceptance need to be especially careful about choosing their companions. For having a generous heart does not mean opening yourself up to everyone; rather, it means forging deep, solid bonds with those who truly matter to you.

Relationships are not mere chance encounters—they are the result of deliberate choices. This book offers criteria for making tough decisions, helping those worn out by emotional struggles find their way toward a more comfortable, more secure life.

Lee Heon-ju is a research professor at the Center for Artificial Sentiment Intelligence Convergence Research at Yonsei University’s Institute for Future Convergence. Through counseling and lectures, he has engaged in in-depth discussions about interpersonal issues with countless individuals. On EBS and various YouTube channels, he has shared psychological insights in a clear, accessible yet insightful manner, resonating with a wide readership. His books include How to Deal with Rude People, Why You and I Found It So Difficult: A Psychological Perspective on Relationships, The Rules for Turning What You Love into What You Excel At, and Inner Competitiveness That Surpasses AI, among others.

Table of Contents

Opening: Even Relationships Need Capacity

Chapter 1: We Who Try to Embrace Everyone Yet End Up Exhausted
In the Most Prosperous Era, Why Are Our Souls All the More Strained?
The More Connections, the Deeper the Loneliness
Trying to Please Everyone, Only to Lose Ourselves

Chapter 2: There Is Distance and Order in Relationships Too
Most Opportunities and Crises Stem from Human Interactions
Three Concentric Circles for Mapping Your Relationships
How to Grow Apart—and Then Replenish the Bond

Chapter 3: With That Person, It’s Best to Stop Here
Why Does Seeing That Person Drag My Mood Down?
People with Strong Projection
Extreme Self‑Centrists
Those Who Pass On Anxiety

Chapter 4: The Criteria for Those Worth Keeping by Your Side
Who Are the Truly Important People in My Life?
Those Whose Pieces Fit Mine
People with Whom I Feel Comfortable and At Ease
Those Who Affirm Me
Those Who Genuinely Rejoice in My Success
Those Who Shine Brightly in My Night Sky

Chapter 5: Good Relationships Are Built Through Effort
What Kind of Person Do I Want to Be?
Let Go of Overly High Expectations
Start by Showing Curiosity
Listen Attentively
Spot Strengths and Hidden Potential

Chapter 6: Examining Your Emotional Container
What Emotions Dwell Within You?
First Floor: The Perfectionist’s Emotions
Basement Level One: The Escapist’s Emotions
Basement Level Two: The Shadow’s Emotions
Ways to Take Stock of Your Emotions
The Heart Is Where Emotions Have Lingered

[Appendix] Time to Care for Your Inner Container
If You Want to Change Yourself, Start by Changing Your Environment
A Daily Sense of Ritual: Turning the Three Wheels of Happiness
Once a Day, Once a Week, Once a Month

Closing: What Does Your Relational Container Look Like?