A narcissistic mother is easy to file as a mistake. Some might say she did motherhood wrong, that she should have been warmer and more loving than she was. That view rests on an assumption: that some people, the ones who behave in certain ways, are spare parts, here by accident with no place in the whole. But if that assumption is wrong, if everything that exists has a function, then so does she. What is she for?
Is anything in nature a mistake?
Nothing in the natural world is wasted. This is by no means a religious view, it is a plain observation, whether you call the source God, Nature, the Universe, or whatever name you give it: everything works together, in a kind of synchronicity, and nothing in it is idle. Every cell in your body has a job. Every organism, down to the bacteria in the soil and the fungus on a fallen tree, holds a place in the whole. Everything has a function, so do your feelings.
If that holds for every cell and every creature, the real question is whether people are the exception. Either some of us are spare parts after all, here without a function, or the same rule applies to all. If that is the truth, a narcissistic mother also has a function, however hard that is to see when we are the ones being hurt.
Isn't a narcissist just someone who's ill?
Narcissistic personality disorder is a disorder. The person living with it is unwell. We already know how to think about this, because we do it with something like alcoholism: we don't hold a person morally guilty for being ill, and we understand they need care. We also know that conditions like these can destroy families and hurt everyone involved. A narcissistic mother is no villain. But she does cause harm, and one doesn't cancel the other.
Then why does it still hurt?
If you've genuinely accepted that she is ill, then something doesn't add up. An illness you understand, and have stopped blaming her for, shouldn't keep wounding you year after year.
What keeps hurting, underneath the first wound, is usually the insistence that she be different than she is. There is the woman in front of you, and there is the mother you keep waiting for her to become, and most of the ongoing pain is made in the distance between them. Each time the old hope rises, that this time she'll be warm, this time she'll see you, it finds the same person and the hope turns into disappointment. First, it hurts because it was real. Then, it keeps hurting because you’re asking a sick person to be well so that you can finally have what you needed from her.
The teaching here sounds harsh at first and turns out to be liberating: you are responsible for what you feel. You’re not at fault, but responsible, in the plain sense that the response lives in you. Her coldness is hers. What you make of it, and whether you let it set the measure of your own worth, is yours, and always was. This doesn't move the responsibility for the harm off her. It puts the responsibility for your healing somewhere you can actually reach.
Why me?
Sooner or later the question turns personal: why this mother, this particular wound to carry?
The people around us are at service. They are not always kind, and their usefulness goes past their intentions: they show us parts of ourselves we would not have found alone. Take for example someone who feels rejected wherever they go, certain that people keep choosing others over them. The more they look, the more proof they find. What they can't see from inside it is that the rejection they find, they already carry, an old verdict on themselves. People around them are mirroring what is there and making it visible.
A narcissistic mother is a precise mirror. Grow up beside someone who cannot reflect your worth back to you, and you are handed, early and without mercy, the question most people spend a lifetime avoiding. Can I find my own worth, without depending on someone else granting it?
The mother we were promised
Some of what makes this wound so disorienting is the image we carry of what a mother is, and how absolute it is. She loves without condition and asks nothing in return. Most of us grew up in a culture in which this ideal is the one true pattern, and every mother gets measured against it.
But she is one mother among many. Other traditions carry mothers who are fierce, who destroy and devour, who initiate their children through hardship. The all-gentle mother is a real and beautiful image, and she is not the whole of what the word "mother" has ever meant. When your actual mother is measured against an image of perfect, unconditional love, the gap can look like proof that something went uniquely wrong for you.
What growing up without love makes room for
If you grow up with love that holds you steadily, you may never need to learn how to give it to yourself. It is already there, supplied from outside, and the supply feels reliable. Grow up without it and a space opens that has to be filled some other way. That space is painful. It is also the room where you find your own love and learn to hold a boundary, work that no one outside will do for you.
The emptiness left by a love you didn't get can only be filled from inside. You can spend years reaching for another person to fill it, a partner, the mother herself, and the emptiness always comes back, because what you are actually missing is your own love for yourself. What you long for is you. The conditions that forced you to find that out, the cold house, the mother who couldn't, they hurt. They were also the curriculum: learn to be with yourself, learn to fill your own emptiness, because no one outside can.
This is where the function starts to show. Because she couldn't give you love, you had to find it yourself. The love you find doesn't depend on her, or on anyone; it grows unending inside you.
You don't have to call it good
None of this asks you to be grateful for what happened, or to feel anything warm toward the person who caused it. You are allowed to say that you didn't want this. Knowing what you don't want is part of how you come to know what you do, and value it more.
What changes is only what you do from here. You don't need to call the harm a blessing, and you can still let it make you into someone who knows how to love the way you were not loved. Using what you were given is not the same as agreeing it was how it should have happened.
Why your healing is never only yours
When you find the love your mother couldn't give you, you are repairing more than a private wound.
What you heal in yourself doesn't stay in yourself. We are far less separate than we look, and a real change in one person is felt by others. Grow love for yourself until there is enough of it, and it spills over to the people around you.
So this, finally, may be her function. A mother who cannot love teaches love by its absence, and the child who takes that on grows into an adult who finds the love that was theirs all along. Nothing in the whole is spare. That includes the one who hurt you.