Of all the creatures we invite into childhood, the Tooth Fairy may have the strangest job description.

Think about it.

A child loses a piece of their body.

We tell them to place it beneath their pillow.

Sometime during the night, a tiny supernatural stranger enters the house, reaches beneath the sleeping child's head, removes the body part, leaves money, and disappears.

And somehow, we decided this was adorable.

Perhaps the strangest thing about the Tooth Fairy isn't that children believe in her.

It's that adults invented her in the first place.

Before There Was a Tooth Fairy

The modern Tooth Fairy is surprisingly young.

For most of human history, losing a baby tooth was not simply a cute childhood milestone. Teeth were pieces of the body, and pieces of the body could carry power.

Across cultures, people developed rituals for disposing of children's lost teeth. They buried them. Burned them. Threw them onto roofs. Fed them to animals. Hid them from animals. Offered them to creatures. Tossed them toward the sun.

The details varied wildly.

The underlying idea did not:

You shouldn't simply leave a piece of yourself lying around.

In some European traditions, teeth were burned or carefully disposed of so that witches or other supernatural beings couldn't obtain them and use them against the person they belonged to.

Elsewhere, children gave their teeth to animals—particularly mice and rats—in the hope that their new adult teeth would grow in as strong as the animal's.

That connection survives today.

Sometimes the Tooth Fairy Is a Mouse

The fairy isn't universal.

In France and several other countries, children traditionally know a little mouse rather than a fairy. France has La Petite Souris—the Little Mouse—who exchanges a lost tooth for a gift or money.

Spain and many Spanish-speaking cultures have their own famous tooth-collecting mouse: Ratoncito Pérez.

Which makes considerably more sense when you remember the old traditions connecting children's teeth with rodents.

Somewhere along the way, English-speaking culture apparently looked at the supernatural tooth-collecting mouse and thought:

Needs wings.

Enter the Tooth Fairy

The Tooth Fairy familiar to American children seems to have developed primarily during the nineteenth and twentieth centuries, drawing on older European traditions involving fairies, household spirits, magic, and rituals surrounding lost teeth.

By the twentieth century, she had settled comfortably into her current occupation.

Child loses tooth.

Tooth goes beneath pillow.

Fairy arrives.

Money appears.

Everyone is happy.

Except perhaps the fairy, who is apparently running an enormous nocturnal dental-removal operation with no discernible endgame.

Because there is one question children eventually ask that adults have never adequately answered.

The Ritual Matters More Than the Fairy

The Tooth Fairy may actually serve a very practical purpose.

Losing a tooth can be frightening.

It bleeds.

It hurts.

Something that has always been part of your body suddenly isn't.

For a young child, that is a remarkably strange experience.

So we transform it.

The frightening thing becomes an achievement.

The blood becomes proof that you're growing.

The empty space in your mouth becomes something to celebrate.

And the strange little piece of yourself that fell out becomes valuable.

Put it beneath your pillow.

Something magical will happen.

By morning, the scary thing is gone.

There is money in its place.

Childhood folklore does this remarkably well. It gives us rituals for moments children don't yet know how to understand.

And sometimes those rituals work beautifully.

Until Grandma opens the wrong box.

When Childhood Magic Changes

I don't know whether Paisley still believes in the Tooth Fairy.

I suspect that particular conversation may have pushed things along faster than I intended.

There is a quiet grief in realizing that childhood beliefs don't last forever.

For years, we create invisible worlds around the children we love. Fairies visit bedrooms. Santa crosses the sky. Strange creatures live in forests. Magic remains a perfectly reasonable explanation for things that adults stopped questioning long ago.

And then, gradually, the children begin noticing the seams.

One day they ask a question you can't quite answer.

One day the explanation sounds suspicious.

One day they know.

I wish I hadn't been quite so careless with that box of teeth.

But perhaps losing the Tooth Fairy doesn't mean losing the magic entirely.

Maybe it simply changes hands.

At first, adults create the magic for children.

Eventually, children discover what we were doing.

And if we're lucky, someday they become the ones quietly slipping money beneath a pillow, saving a tiny tooth in a box, and trying desperately not to get caught.

Perhaps the Tooth Fairy Was Never About Teeth

The Tooth Fairy belongs to an ancient human habit: taking something unsettling and wrapping a story around it.

A piece of your body fell out?

Don't worry.

Someone magical was waiting for it.

You're growing.

This is supposed to happen.

Go to sleep.

By morning, everything will feel different.

That is a remarkably gentle story built on top of something objectively rather macabre.

Which may be exactly why it has lasted.

The Tooth Fairy doesn't prevent children from growing up.

Neither can we.

She simply makes one tiny part of it feel magical.

And somewhere in my family heirloom trunk, tucked among old photographs, my mother's braids, ashes, memories, and all the other peculiar things I can't bring myself to throw away, there is still a little collection of baby teeth.

Apparently the Tooth Fairy missed a few.

I'm sticking with that story.