What’s wrong with Attachment Theory?

Why unconditional love is the only love strong enough for marriage.

A popular relationship therapist we recently came across, like many others today, seems to place attachment theory at the centre of healing a marriage while decrying unconditional love as unrealistic, dishonest, or even harmful.

We think he is profoundly wrong.

The mistake is that he, and many others like him make, is that he appears to confuse unconditional love with unconditional tolerance.

Those are not the same thing.

Unconditional love does not mean I tolerate anything. It does not mean I abandon myself, suppress my emotions, avoid hard truths, remove consequences, or stay and take mistreatment in the name of devotion. It does not mean pretending harm is not harm.

That is not love. That is enabling. It is fear dressed up as virtue. It is passivity. To borrow a therapy phrase, it is often co-dependency.

Real unconditional love is much stronger than that. It means I do not make my care for your humanity, dignity, and wellbeing dependent on your current performance.

That kind of love can still say, “This is damaging to you and to me.” It can say, “This needs to change for me to want to stay.” It can say, “I will not participate in this.” It can even say, “I cannot remain in this relationship as it currently exists.”

But it does not say those things from contempt, revenge, punishment, or the withdrawal of basic goodwill.

That is the difference.

A lot of modern relationship advice puts attachment needs at the centre of marriage. And of course all need safety and emotional connection. A marriage without safety becomes a place where both people learn to hide.

But attachment is not the same as love.

Attachment asks, “Will you be there for me in the way I need, so I can feel safe in myself?”

Love asks something deeper: “How do I care for you rightly, truthfully, and wisely, even when I am not getting what I want?”

If attachment becomes the highest authority, love quietly becomes transactional.

I will love you if you regulate me. I will love you if you make me feel chosen. I will love you if you meet my needs. I will love you if you remain the version of yourself I prefer.

That may sound emotionally intelligent, but it is conditional love. And conditional love does not heal the insecurity in a marriage. It deepens it. It turns two wounded people into negotiators, each trying to extract safety from the other while calling it intimacy.

The answer to a struggling marriage is not more conditional love. The answer is unconditional love with truth, responsibility, standards, repentance, repair, and wisdom.

Love should be unconditional.

Access should not always be. Tolerance should not always be. Reconciliation should not always be. Intimacy should not always be.

But love itself — the choice to care about another person’s wellbeing — must not become a bargaining chip.

Once love becomes conditional, marriage becomes a courtroom. Each spouse gathers evidence, makes a case, proves harm, defends innocence, and waits for the other person to become safe enough to love.

That is not maturity.

Maturity is being able to say, “I love you, and this must change.” It is saying, “I love you, and I will not enable this.” It is saying, “I love you, and trust has to be rebuilt.” It is saying, “I may need distance right now, but I refuse to reduce you to your worst behaviour.”

That’s not weakness. That’s love with truth.

And this is where so much modern advice feels incomplete. The emphasis is nearly always on how to protect yourself from the behaviour of your partner. Sometimes that’s necessary. In dangerous or destructive relationships, it may be urgent.

But if self-protection becomes the whole vision of love, we have lost something sacred.

Marriage is not only where I learn to guard myself against your selfishness. It is where I learn to face my own.

A huge part of unconditional love is telling the truth about our own fear, pride, defensiveness, coldness, criticism, avoidance, control, contempt, impatience, and immaturity. It is being willing to ask how my behaviour has affected the person I promised to love. Not just how they have hurt me, but how I have made love harder for them.

That question is almost absent from the conversation.

We are taught to ask, “How do I protect myself from you?” We are rarely taught to ask, “What is it like to be loved by me?”

Yet that may be one of the most important questions in marriage.

Where have I made you carry what I refused to face? Where have I demanded grace while withholding it? Where have I used my pain as an excuse to stop loving well? Where have I called myself triggered when I was also being selfish? Where have I protected myself so completely that I stopped seeing you?

This kind of honesty costs more than self-protection. Self-protection can leave the ego intact. Repentance cannot.

It is easy to speak fluently about boundaries while refusing to confess. It is easy to name someone else’s attachment wounds while ignoring the wounds we keep causing. It is easy to say, “This is my limit,” and never ask, “Have I made love heavier for you?”

A marriage can’t heal if both people are only trained to identify how they are being harmed. Someone must also become brave enough to repent.

That does not erase the need for boundaries. But it does change how we understand them.

Boundaries are often treated like walls: a way to keep people out, punish discomfort, avoid vulnerability, or declare, “This is where you end and I begin.” Sometimes walls are necessary. There are forms of harm where distance is wisdom.

But in marriage, boundaries should also be standards. And standards are more like ladders.

A wall says, “Stay away.” A ladder says, “Come up higher.”

Good boundaries in marriage do not merely say, “You may not come near me.” They say, “This is what love requires if we are going to remain close.” They are not acts of contempt. They are acts of clarity. They name what cannot continue and what repair would require.

But a boundary that only protects me from you, while never requiring me to examine myself, can become selfishness with therapeutic language.

The Christian vision gives us something better.

Jesus did not model vague, permissive, sentimental love. He told the truth. He confronted sin. He exposed hypocrisy. He called people to repentance. He set boundaries. He let people walk away. He did not chase approval or soften reality to keep people comfortable.

And yet there was no contempt in him.

That is the divine pattern: grace and truth together.

Grace without truth becomes enabling. Truth without grace becomes cruelty. But together, they create the space where real change can happen.

And truth must run in both directions. It is not enough to tell the truth about the other person’s sin. Love also tells the truth about mine.

Before Jesus tells us to remove the speck from our brother’s eye, he tells us to notice the plank in our own. That does not mean the speck is imaginary. It means we are not fit to become surgeons of another person’s soul while refusing to face the obstruction in our own.

This is the love marriage needs.

Not tolerance without limits. Not boundaries without humility. Not attachment needs enthroned as love. Not self-protection dressed up as wisdom.

But unconditional love with standards. Love that tells the truth without contempt. Love that protects without hatred. Love that confronts without revenge. Love that can say, “You hurt me,” and also, “I have hurt you.” Love that can require change without turning the other person into an enemy.

Real love does not say, “I will stay no matter what.”

It says, “I will not lie about what is happening.”

Real love does not say, “Your choices have no consequences.”

It says, “Even consequences can be given without hatred.”

Real love does not only say, “You need to change.”

It also says, “So do I.”

That is harder than conditional love. Conditional love withdraws the moment the bargain feels broken. Unconditional love stays morally awake. It grieves. It confronts. It confesses. It refuses to enable. It keeps its spine. But it also refuses contempt.

A strong marriage is not built by two people constantly auditioning for each other’s love. It is built by two people who have made a vow bigger than their moods, wounds, fears, and changing feelings.

They will fail each other. They will disappoint each other. They will discover that the person they married is also a sinner, a sufferer, a mystery, and sometimes a source of pain.

And then they must discover something even harder:

So am I.

Unconditional love is not the enemy of truth. It is the only soil where truth can be spoken without becoming cruelty. It is the only love strong enough to call both people upward.

It is the only love strong enough for marriage.

👉If you are ready for love at a much higher level than self-protection then join our SKOOL community: Restoring.Love.Marriage