What qualities enable love to flourish?
In Part 1, I outlined C. S. Lewis’s idea of four kinds of human love, drawing on the wisdom of classical antiquity. I suggested that each one becomes genuinely life-giving as it is received as a finite good, ethically formed by mutuality and respect, and transformed by divine love into courageous, generous and non-possessive relationships.
In Part 2, I argue that, to ensure the proper flourishing of each of the four kinds of love, we need to attend to matters of compatibility, commitment, companionship and character. These four qualities do not correspond respectively to the four kinds of love, but they work together to strengthen the durability and effectiveness of the four loves.
Four essential qualities
To identify the forms that love may take is not yet to explain how loving relationships endure. Under pressure or through neglect, affection may weaken, friendship may diminish, desire may fluctuate, and even sincere commitments to self-giving love may falter. Love requires more than emotion or good intention in order to flourish. It requires moral habits, practices, virtues, and structures capable of sustaining relational life across time and change.
I suggest that four qualities provide a useful framework for examining this task: compatibility, commitment, companionship and character. These “four Cs” are not categories derived from Lewis but re an original constructive framework for considering how the loves he describes may be embodied within durable relationships.
Each of these qualities concerns a distinct but related question: whether differences can be negotiated, whether promises can be trusted, whether a shared world can be created, and whether the persons involved possess or cultivate the moral qualities required for faithful love.
Compatibility: learning to live with difference
Compatibility is important but frequently misunderstood. It does not require sameness, nor does it guarantee the success of a relationship. For example, two persons may share common interests, values, and temperaments yet lack the honesty, generosity, resilience, or self-knowledge necessary for sustained relational life. Similarity is therefore neither sufficient nor always desirable.
Compatibility is better understood as the capacity to negotiate difference constructively within a shared life. Some differences are relatively minor, while others concern religion, money, sexuality, parenting, family obligations, politics, vocation, lifestyle, or expectations about work and domestic responsibility.
The issue is not simply whether two persons are compatible in the abstract but whether they are able to live faithfully and generously with their similarities and differences. This makes compatibility dynamic rather than static. Much compatibility is created through adaptation, communication, compromise, patience, shared experience, and the gradual development of common practices.
Such an account also avoids the consumerist assumption that relational success depends primarily upon locating the optimally matched partner. Enduring relationships are not discovered ready-made; they are partly constructed through the disciplined negotiation of difference.
Commitment: choosing fidelity through time
Commitment provides a second condition of durable love. Romantic culture often treats love primarily as an emotional state, with the continuation of the relationship dependent upon the persistence of attraction, affection, or satisfaction.
A covenantal understanding places greater emphasis upon promise and fidelity. This does not diminish the importance of feeling but recognises that emotions are variable and cannot by themselves sustain long-term relationships. Commitment creates continuity through fluctuation. It gives persons sufficient confidence in the relationship to risk vulnerability, make long-term decisions, and invest in a shared future. Commitment, then, is not merely a single decision made in the moment but the repeated assumption of responsibility for promises already made.
On the other hand, commitment should not be identified merely with permanence. Permanence may be one aspiration of covenant, but covenant has substantive moral content, including truthfulness, faithfulness, justice, care, responsibility, and mutual obligation. A relationship that has the tendency to preserve its institutional form while systematically violating these goods cannot claim moral success merely by virtue of continuation.
For this reason, commitment cannot require a person to remain exposed to violence, coercion, abuse, manipulation, or persistent betrayal. Covenant exists to protect faithful love, not to sanctify destructive power.
Companionship: creating a common life
Companionship concerns the shared world that develops between persons over time. It is closely related to Lewis’s account of Friendship, since durable relationships generally require more than intimacy directed exclusively toward the relationship itself.
A common life is created through memories, rituals, projects, responsibilities, pleasures, sorrows, friendships, and hopes. It may include family life, faith, work, hospitality, recreation, travel, intellectual interests, artistic activity, or service. Such companionship requires deliberate attention. It is possible for relationships to be organisationally efficient while also being emotionally and imaginatively impoverished.
Many otherwise functional marriages fail to flourish over time as a result of such lack of attention to the emotional and imaginative dimensions of the couple relationship. Partners may successfully manage employment, children, finances, appointments, and domestic responsibilities while gradually losing curiosity about one another or ceasing to experience shared enjoyment. Healthy companionship is cultivated through practices of common attention: conversation, meals, recreation, worship, sexual intimacy, hospitality, service, and the ordinary routines of shared life.
Yet companionship must also preserve personal differentiation. Healthy relationships do not absorb individual identity or require the abandonment of friendships, interests, vocations, or aspirations outside the relationship. Communion is strengthened when it leaves room for distinct personhood. A mature, shared life should therefore be spacious enough to sustain intimacy without collapsing difference.
Character: the moral infrastructure of faithful love
Character may be the most fundamental of the four qualities because it shapes the way the others are actually lived. Compatibility cannot compensate indefinitely for selfishness, commitment becomes unreliable without integrity, and companionship deteriorates without generosity.
The virtues required for enduring love include patience, kindness, honesty, humility, courage, faithfulness, self-control, forgiveness, generosity, justice, hope, and gratitude. Their importance lies not in abstract moral theory but in their practical effect upon relational life.
Character becomes especially visible under pressure. Conflict, disappointment, fatigue, financial stress, illness, and competing responsibilities reveal whether virtues have become habits or remain merely aspirations. The critical issue is not whether disagreement occurs but how it is conducted. Do persons listen carefully, speak truthfully, restrain anger, avoid contempt, acknowledge wrongdoing, apologise sincerely, forgive responsibly, and seek resolution rather than domination?
Consider character as the moral infrastructure of faithful love. Patience enables difference to be tolerated, honesty makes commitment credible, generosity sustains companionship, humility enables apology, and courage permits truth to be spoken when avoidance would be easier.
Mutuality: giving and receiving
Mutuality cuts across all four qualities. A healthy relationship cannot be adequately described as the unilateral self-giving of one person for the benefit of another. Durable love requires both persons to give and receive care, support, correction, tenderness, forgiveness, responsibility, and recognition. Similarly, mature love does not ask only how much one can give; it also requires the humility to receive help, accept correction, and permit oneself to be cared for.
Mutuality does not imply mathematical equality at every moment. Illness, grief, disability, unemployment, caregiving, or other circumstances may require one person temporarily to bear a disproportionate share of responsibility. The decisive issue is whether the relationship remains fundamentally ordered toward the dignity and flourishing of both persons. Mutuality thus connects Need-love and Gift-love rather than treating them as opposites.
Love as practice
The four Cs disclose an important feature of enduring relationships: love is not merely an emotion to be experienced but a practice to be cultivated. Feelings cannot be directly commanded, but habits of attention, honesty, forgiveness, gratitude, tenderness, responsibility, and restraint can be developed.
This does not render love mechanical. It locates love within embodied and temporal life, where values are expressed through repeated actions rather than sustained only through intention. The durability of love often depends less upon dramatic declarations than upon numerous small acts of attention, patience, generosity, and repair. These practices gradually form both the relationship and the persons who inhabit it.
The question that compelled Lewis to explore the four loves concerns the separate forms that love may take. The four Cs I outlined above concern the different qualities that enable those loves to mature and endure. Taken together, these frameworks provide the conceptual basis for a further question: how might these forms of love and these sustaining qualities be integrated within a specifically Christian understanding of marriage? I will explore this in Part 3.
Rev Dr Rod Benson is General Secretary of the NSW Ecumenical Council and a minister of the Uniting Church in Australia serving at North Rocks Community Church in Sydney.
Image source: author.
Taking it further….
Reflection questions
- Why does the author define compatibility as the capacity to negotiate difference constructively rather than simply as similarity between two people? What implications does this have for choosing and sustaining relationships?
- What distinction does the article make between commitment and permanence? Why might a relationship that continues indefinitely nevertheless fail to embody genuine covenantal commitment?
- Why is character described as the “moral infrastructure of faithful love”? Which virtues identified in the article seem most important when a relationship is under pressure, and why?
Application questions
- When you experience conflict, disappointment, fatigue, or stress, what does your response reveal about your character? Which particular virtue—such as patience, honesty, humility, courage, forgiveness, self-control, or gratitude—would you most benefit from cultivating?
- Is there a healthy mutuality of giving and receiving in your closest relationships? Where might you need to give more generously, receive more graciously, accept correction more openly, or establish clearer boundaries?
- If “love is not merely an emotion to be experienced but a practice to be cultivated,” identify two or three small, repeatable actions you could adopt this week to strengthen compatibility, commitment, companionship, or character in one important relationship.
All Told 