The Growth: SEEMS Through the Seasons of Life
All five parts of SEEMS are with us from the first day of life to the last. What changes is which one leads, how far each one has grown, and how well they work together.
Each part does more than one job. Every one of the five can notice and judge. Every one has its own way of feeling what is happening. Every one carries emotional energy. And every one leans in some direction.
Take the Senses. A sip of sour milk is already a judgment: "This is bad." A sunset is not just light; it is felt. Hunger carries a charge that gets us out of the chair. And it points us somewhere — toward the kitchen. The Ego works the same way. It judges what fits our life, feels pride or shame, has drive, and aims at the person we hope to become. So do the Emotions, the Mind, and the Soul.
In a newborn, these abilities are faint and mostly separate. A baby's Senses judge only "good" or "bad," feel only comfort or distress, and point only toward the breast. How far each part grows after that depends on how deeply a person develops. Some people keep childlike versions of these abilities all their lives. Others grow each one into something rich.
In the most fully developed people, something more happens. The parts begin to blend. Thinking is warmed by feeling. Feeling is steadied by thought. The Senses carry meaning, and the Ego serves something larger than itself. Through all of it runs a delighted, energized sense of purpose — not only in prayer or in great moments, but in washing a dish, reading a page, or talking with a friend. Maslow saw this in the self-actualizing people he studied: the usual walls between work and play, duty and pleasure, seemed to fall away.
Life also seems to wake the five in a certain order. First the Senses. Then the Ego. Then the Mind. Then the Emotions in their full depth. Last of all, the Soul. Each one takes its turn at the front of the stage while the others play supporting parts.
Below we walk through five seasons of a human life. In each one we ask the same question: what is each part doing here? The answers draw on a century of research, from Erik Erikson and Jean Piaget to recent studies of the aging brain. Where the research is solid, I say so. Where SEEMS goes further than the research, I say that too.
Infancy — Birth to About Two
The Senses LeadA newborn lives almost entirely through the Senses. Warmth. Milk. A familiar smell. The sound of one voice. That is the whole world.
Imagine waking with no words and no past. There is only now. A shape leans over you, and you know that face before you know anything else. Its smell is safety. Its voice is music. When it lifts you, the whole world rises with it. When it goes out of the room, the world goes with it, and you cry until it comes back. You do not love your mother or father for anything they have done. You do not weigh them or judge them. You simply love them, completely, with your whole small body. It is the purest love a person will ever give — no conditions, no memory of hurt, no fear of being let down. You fall asleep on a warm chest, rising and falling with someone else's breath, and nothing in the universe is missing.
What the Research Shows
Jean Piaget called the first two years the sensorimotor stage. The baby learns by looking, touching, sucking, and grabbing, long before any words. By the end of this stage, the child knows that a hidden toy still exists. The Senses have built the first map of reality.
Harry Harlow's monkey studies in the 1950s showed something deeper. Baby monkeys clung to a soft cloth mother instead of a wire mother that held the milk bottle. Touch mattered more than food in forming the bond. At this stage, love arrives through the skin.
The Other Four
The Ego is barely there yet. The baby does not know where its own body ends and the mother begins.
The Emotions are raw and few: contentment, distress, fear, and soon delight.
The Mind is busy but silent, sorting patterns without words.
And the Soul? Erikson called this stage trust versus mistrust. If needs are met reliably, the baby comes to trust that the world is good. I would call that trust the first seed of the Soul — a felt sense, before any belief, that one is held.
This is the love I see in my cat. It is real love, but it is sensory and physical. It lives in the warm lap and the slow blink. A baby's love is the same kind. It is the root everything else grows from.
Early Childhood — Two to Six
The Ego ArrivesSomewhere around the second birthday, a small person looks in a mirror and realizes, "That's me." The Ego has arrived.
Now you have legs, and the world is enormous. The kitchen cabinet is a treasure cave. A puddle is an ocean. You want to do it yourself — put on your own shoes, pour your own juice, even if half of it lands on the floor. "No!" is the most powerful word you own, and you use it often. But at the end of the day, when you are tired and your knee is scraped, you still run to the big arms that hold you. Your parents are the center of the universe and the final word on everything. If Daddy says the thunder is just the clouds bumping together, then it is. If Mommy says you are the best child in the world, you believe it with your whole heart. Christmas morning, a birthday cake with your name on it, a bedtime story read for the hundredth time — these are not small things. They are the whole meaning of life.
What the Research Shows
Researchers test this with the "rouge test." They put a dab of lipstick on a child's nose, then hold up a mirror. Before about 18 months, babies smile at the "other baby." After that, they reach for their own nose. In the same months, the child starts saying "me," "mine," and the famous "No!"
Erikson called these years autonomy, then initiative. The toddler pushes against the parent to gain some control. The preschooler begins planning and doing things on purpose. The Ego is learning that it has a will.
This is also when Transactional Analysis says the first "recordings" are made. In I'm OK — You're OK, Thomas Harris described the Parent ego state as the rules and warnings a small child absorbs from the big people — taken in whole, without question. The Child ego state is the felt response to all of it. Much of what the Ego will carry for life is written in these few years.
The Other Four
The Senses are still strong, but now they serve the Ego: "I want that."
The Emotions grow new branches. Once a child can see itself, self-conscious emotions become possible: pride, shame, guilt, embarrassment, and the first real empathy.
The Mind is waking into language and pretend play. It is still magical, not yet logical.
The Soul shows up as wonder — the endless "why?" — and in the ease with which a young child prays, talks to the moon, or feels that the world is alive.
School Years and the Teens — Seven to the Early Twenties
The Mind Takes the WheelFrom about age seven, the Mind steps forward. The child stops believing the moon follows the car and starts asking how things really work.
Somewhere in these years, you discover that your parents are ordinary people. They make mistakes. They do not know everything. It is a small heartbreak and a great freedom at the same time. Your friends start to matter more than your family. What they think of your shoes, your hair, your laugh, can make or ruin a week. Then one day it happens. Someone walks into the room, and the air changes. You cannot eat. You cannot sleep. You write their name in the margins of your notebook and replay every word they said to you. A glance in the hallway lifts you to heaven. A note passed to someone else sends you to the bottom of the sea. Nothing has ever felt this large, and nothing ever will again in quite the same way. Love at this age is not wise. It is total, reckless, and glorious. Underneath it all, a question keeps burning: Who am I, really? And what is my life for?
What the Research Shows
Piaget traced this in two steps: concrete thinking from about 7 to 12, then abstract thinking in the teen years. First the Mind learns to reason about things it can see and touch. Then it learns to reason about ideas — "what if," justice, God, the future. A teenager can suddenly argue with a parent, and win.
Brain research adds an important twist. The emotional centers deep in the brain surge at puberty. But the front of the brain, which handles planning and self-control, keeps maturing well into the twenties. Laurence Steinberg compares the teenager to a powerful engine running before the brakes are installed. So the Mind takes the wheel in these years — but it is a new driver.
The Other Four
The Ego faces its biggest test. Erikson called the teen years the time of identity versus role confusion: "Who am I, apart from my parents?" The Mind now examines the Parent recordings from early childhood, keeping some and rejecting others.
The Senses come roaring back with puberty, bringing new hungers.
The Emotions run hot and fast, often faster than the Mind can steer.
The Soul often appears as idealism — the young person who wants to save the world, or who walks away from the church of childhood to find a truer faith. For many, this is where the first honest questions about God begin.
In Deepermind terms, this is when a person first gets the tools to sort verified fact from false inference. Whether they use those tools depends a great deal on whether anyone shows them how.
Adulthood and Midlife — Mid-Twenties to the Sixties
The Emotions DeepenA teenager has strong feelings. An adult, if things go well, has deep ones. In adulthood the Emotions move from the passenger seat to the center of life.
The wild crush grows into something steadier. You choose a person and keep choosing them, on the good days and the hard ones. Love now means getting up at 3 a.m. with a feverish child, working a job you do not always like because people depend on you, and sitting in a hospital waiting room holding someone's hand. You learn that love is not only a feeling that happens to you. It is something you do, over and over, long after the fireworks fade. You hold your own baby and suddenly understand your parents for the first time — the worry, the sacrifice, the fierce, aching tenderness. Somewhere along the way you bury a parent, and the child in you grieves in a way the adult cannot fully explain. Life is crowded and busy. There is never quite enough time. But the people around your table are the reason for all of it.
What the Research Shows
Erikson named the two adult tasks intimacy, then generativity. First we learn to give and receive love in close relationships. Then we learn to care for the next generation and the wider world. Both are emotional achievements. Neither can be done by the Mind alone.
The longest study of adult life agrees. The Harvard Study of Adult Development has followed 724 men since 1938, from their teens into old age. Its director, Robert Waldinger, reports that the quality of close relationships mattered more than wealth or fame. The people most satisfied in their relationships at 50 were the healthiest at 80. The heart, it turns out, keeps the body.
There is good news inside the struggle, too. Laura Carstensen's research at Stanford finds that emotional life tends to improve across adulthood, becoming steadier and richer. Adults feel mixed emotions more often — joy with sorrow, pride with loss. That mixture is a sign of depth, not confusion.
The Other Four
The Mind is at its working peak, building a career, a household, a body of skill.
The Ego is tested by marriage, parenthood, and work. It either softens or hardens.
The Senses are strong, but around midlife they begin to show their first limits.
The Soul often wakes through a crisis: a divorce, a death, a diagnosis, a child in trouble. Many people first begin to meditate or pray seriously at this point. Not because the Mind argued them into it, but because the Emotions broke them open.
This is the season where three emotional types become visible. Some adults grow hard and exploitative. Many settle into a flat, compliant routine. Some keep flowering, moving toward what Abraham Maslow called the Being Values. The difference is rarely intelligence. It is whether the Emotions were given room to grow.
Later Life — The Sixties Onward
The Soul Comes ForwardIn the last season, the body slows and the Soul has room to speak. What was a seed in infancy can become the whole tree.
The hurry goes out of things. You no longer need to prove yourself to anyone. The promotion, the bigger house, the argument you once had to win — they matter less every year. You take it easy. You sit on the porch with a cup of coffee and watch the light change on the trees, and that is enough. A grandchild's laugh can fill a whole afternoon. Old friends grow fewer, so each one becomes more precious. You still have pains, and you have lost people you thought you could not live without. Yet often there is a quiet gladness underneath it all. You look back and see that even the hard chapters had their place in the story. The love you feel now is gentler and wider than before. It reaches past your own family to strangers, to the earth, to God. Like the infant at the beginning, you are learning again to simply be — but this time with your eyes open.
What the Research Shows
Erikson called this final stage integrity versus despair. The older person looks back and tries to see the life as whole and worth having lived.
The Swedish researcher Lars Tornstam went further. He found that many older people shift from a practical, material outlook to a more cosmic one. He called it gerotranscendence. The people he studied described becoming less wrapped up in themselves, choosier about company, and feeling at one with the universe. Tornstam was careful to say this is growth, not withdrawal.
Carstensen's work explains part of why. When people sense that their time is limited, they stop chasing the future and invest in what matters now. Across many studies, older people report better control of their emotions and more positive feeling than the young, despite real losses. Feeling the ending near seems to clarify the heart.
The Other Four
The Senses fade — eyes, ears, knees. Yet many elders say they notice a sunrise or a bird more than ever. Less input, more attention.
The Ego loosens its grip. Titles and achievements matter less, and with luck there is less to defend.
The Emotions become richer and calmer at the same time. Grief and gratitude sit side by side.
The Mind may lose speed, but it often gains judgment. It finally has time to look at its own beliefs with the patience of a meditator. Here the inner telescope can be used most freely.
None of this is automatic. Researchers note that the emotional gains level off, and can reverse, when health or circumstances are very hard. Later life can end in despair as easily as in integrity. The Soul comes forward when it has been tended. That work is easier begun at sixty than at ninety — but it is never too late to begin.
The Gardener Tends All Five
Seen whole, a human life is not five separate stages. It is one garden with five plants, each coming into flower in its own season.
The Senses bloom first and teach us the world is real. The Ego follows and teaches us we are someone in it. The Mind learns to question and to reason. The Emotions deepen until we can love, grieve, and care for others. And the Soul — present from the first moment of trust in a mother's arms — comes forward at last to gather the whole life into meaning.
The research above supports much of this order. Piaget, Erikson, Harlow, Steinberg, Carstensen, Waldinger, and Tornstam each saw one part of the picture. SEEMS offers a way to hold their findings together. It also adds one thing they mostly leave out: inner experience can be observed directly, through meditation, at any age.
A tree cannot choose how it grows. A person can. That is why I prefer the image of the gardener. At every stage we can notice which part is leading, which one is starving, and which one is crowding out the rest — and tend accordingly.
There is one more reason to map this carefully. If we hope to build artificial minds that understand people and serve their deepest good, those minds need to know how we work inside, season by season. A child, a teenager, a parent, and an eighty-five-year-old need different things, because a different part is calling in each. Understanding that is the beginning of wisdom — for people, and perhaps for machines.
And when the Soul comes forward, it begins to look beyond itself. It wants to connect with something larger. That is where the bridge begins.
Sources for This Section
- Piaget's stages: Britannica, "Sensorimotor stage"; Simply Psychology, "Sensorimotor Stage"
- Harlow's contact comfort studies: Simply Psychology, "Harry Harlow Monkey Experiments"
- Erikson's eight stages: Macmillan Learning, "Erikson's Stages"
- Mirror self-recognition: Psychology Today, "Who's That Baby in the Mirror?"; Lumen Learning, "Development of Self"
- Transactional Analysis: Thomas A. Harris, I'm OK — You're OK (1967)
- The teenage brain: Scientific American, "Risky Teen Behavior Is Driven by an Imbalance in Brain Development"; Lumen Learning, "Brain Changes during Adolescence"
- Harvard Study of Adult Development: World Economic Forum, "What one of the world's longest studies tells us about happiness"
- Emotions and aging: Carstensen et al., "Emotional Experience Improves With Age," Psychology and Aging (2011); Carstensen, "Socioemotional Selectivity Theory" (2021); Limits of age-related emotional gains (2023)
- Gerotranscendence: Pamuk et al., "Quo Vadis Gerotranscendence?" (2025); Tornstam, Gerotranscendence, publisher's description
- Maslow's Being Values: Abraham Maslow, Toward a Psychology of Being (1962)