Cristina Yang says to Meredith Grey in Grey’s Anatomy.
People forget that she’s talking about paperwork. Cristina has scheduled a medical procedure. The clinic won’t confirm the appointment without an emergency contact, and she put down Meredith. That’s the origin of the phrase.
It has since been annexed by romantic couples, but it was coined to describe a friendship. Somebody looked at a form asking who should we call if everything goes wrong and wrote down her best friend’s name.
That’s the whole genre in one sentence.
A couple of weeks ago, we broke male friendship stories into buckets — buddy action, bromance, and the drama that sits underneath both. Women’s friendship stories don’t sort that way. They’re organized around something else.
The Engine: Identity and Belonging
Friendships are a central part of women’s culture, and the stories reflect that. They can carry all kinds of situations, dilemmas, and stakes: comedy, grief, ambition, betrayal, and the very specific horror of watching your person get a new person.
But underneath the wildly different plots, the emotional question is the same two-parter: Who am I when I’m with her? And who am I if I lose her?
That’s the engine. Everything else is the vehicle you bolt it into. A road trip, a wedding, an assassination. If those two questions aren’t running underneath, you don’t have a friendship story.
Interrupted vs. Outgrown
In male friendship stories, the friendship gets interrupted. In female friendship stories, the friendship gets outgrown.
In Lethal Weapon, Riggs and Murtaugh get pulled apart by a plot — a villain, a mission, an external force applying pressure from outside. Something happens to them.
Female friendship stories rarely work that way. Instead, they come apart because one of them got something the other didn’t. Their lives are moving at different speeds. A fiancé. A promotion. A baby.
Insecure built four seasons this way. Issa and Molly’s friendship survives boy problems, bad decisions, and terrible advice. What finally breaks it is that their roles reverse. Issa finally has professional momentum; Molly finally has a functional relationship. Neither one knows how to be the friend of a person who is not struggling in the way she used to.
What does one of them have that the other doesn’t? If the answer is nothing, your friendship has no engine.
The Shapes These Stories Come In
With that engine in mind, here are some classic configurations.
What’s the asymmetry, and what does it cost?
The fear of your best friend replacing you — Bridesmaids (2011). The gold standard for platonic jealousy. Annie isn’t losing a friend, she’s losing her person, and the movie treats that with all the devastation of a breakup.
Women breaking out of their shell — Barb & Star Go to Vista Del Mar (2021). Two Midwestern culotte enthusiasts leave their town for the first time and discover themselves. The friendship is what makes the leap survivable. Neither woman would have gone alone. In these stories one of them is braver than the other
Standing up to the mean girls — Romy & Michele’s High School Reunion (1997). The friendship survives the reunion, the lie, the fight, and the invention of Post-its. The asymmetry here is who cares more about being accepted.
The friendship that outlasts every romance — Sex and the City, was ostensibly about four women looking for love. But actually it was about the four women’s friendship. The romances came and went. The brunch was forever.
Here are three more buckets.
The Friendship Weepie
Last time we talked about the male friendship drama, where the friendship is the whole story and nobody’s joking. Women’s stories have the same category.
Beaches (1988), Steel Magnolias (1989), Now and Then (1995). Decades of friendship compressed into two hours, usually structured around a death, and engineered with clinical precision to wreck you.
What makes these work structurally is they span a long time. Not a weekend, a lifetime. When you follow two women across thirty years, the asymmetry does itself. One marries and one doesn’t. One leaves town and one stays. One gets sick.
The trade-off is that you’re trading intensity for scope. A weekend story can put every beat under a microscope. A lifetime story has to select ruthlessly using five or six scenes that stand in for decades. Each one has to carry an enormous amount of weight.
If you’re writing in this mode, the question to keep asking is: what is the smallest possible scene that could show they’ve changed?
Coming of Age
If the weepie is a lifetime, the coming-of-age story does the opposite. It clamps down on one summer, one season, one narrow window before everything changes.
Mystic Pizza (1988) takes three young women working at a pizza parlor in a Connecticut fishing town during the last summer before they scatter. One is Yale-bound, one wants to marry up and out, one wants to stay put. Three directions, one summer.
The Sisterhood of the Traveling Pants (2005) makes the structure literal. Four friends, four separate summers, one pair of jeans mailed between them. The garment is a device for keeping a friendship on the page while the friends are geographically apart. The pants are a clever solution that you can steal in a hundred non-denim variations.
Notice that the engine hasn’t changed. It’s just accelerated. In the weepie, the divergence takes thirty years. In the coming-of-age story, it takes twelve weeks.
Friendship Goes Wrong: She Wants Your Life
Female friendship stories have an obsession-and-possession subgenre with no male equivalent It’s the same engine, overheating.
Who am I when I’m with her? What if I’d rather be her than know her?
Single White Female (1992) is the one everyone knows. A roommate moves in and slowly takes over her friend’s life, starting with the haircut. It’s so embedded in the vernacular that the title became a verb — people describe a woman copying them as Single White Female-ing them.
All About Eve (1950) is the ancestor of the entire subgenre. Eve Harrington presents herself as actress Margo Channing’s most devoted fan, becomes her assistant, then her understudy, then her replacement. Eve is a terrifying master manipulator.
Poison Ivy (1992) shifts the target. Sylvie invites Ivy into the family mansion, and Ivy doesn’t leave. What follows is a takeover — Ivy charms Sylvie’s dying mother, wins over the dog, and seduces Sylvie’s father. She isn’t after Sylvie’s friendship. She’s after Sylvie’s family.
The friendship has to be real. If your obsessive character is simply running a con from page one, you don’t have a friendship story. The affection was real, and losing it is a real loss, even when the person was destroying you. If you can get that into your version, you’ve got something better than a thriller.
The Vehicle Is Negotiable. The Engine Isn’t.
Look at the range of stories. Comedy, tragedy, thriller. They’re all running the same two questions. Who am I when I’m with her? And who am I if I lose her?You can put two women anywhere — a spaceship, a bottling plant, a Madrid apartment — as long as the engine is bolted in underneath.
If the friendship in your work in progress feels inert, don’t reach for a bigger plot. Ask what one of them has that the other doesn’t. Ask when she got it. Ask what it costs them both to keep choosing each other anyway.
And then find your version of the emergency contact form — the small, unglamorous, paperwork-shaped moment where one of them writes down the other’s name.
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Last week we made the case that best friend love is a story engine. It comes with three ingredients, an arc, and hands you a bond that doubles as your plot.
Best friend stories are not one thing. A story about two women who have known each other since high school (Romy and Michelle’s High School Reunion) is doing something structurally different from a story about two strangers who get handcuffed together in act one (The Defiant Ones.) Both are best friend love but need different tools.
If you write an old friends story with new friends techniques and you’ll spend forty pages introducing people who are supposed to already know each other. Write a new friends story with old friends techniques and you’ll have two strangers finishing each other’s sentences by page ten.
This week we’re breaking down the difference between old and new friendships and how to write them.
New Friends: Strangers Who Become Everything
Some best friend stories begin with two people who have never met. Project Hail Mary is an extreme version because they’re not from the same solar system. Sometimes they start as antagonists. In Midnight Run, a bounty hunter and his prisoner spend a cross country trip loathing each other into loyalty. Other times they know each other but aren’t friends yet. To win his girlfriend’s brother’s approval, a wannabe cop must survive a 24-hour ride along designed to humiliate him in Ride Along.
How to Build a New Friendship
The challenge is the same in all of them. You have to make an audience believe in a bond that didn’t exist when the story started, so the ending hits hard. If you’re building a friendship from zero, you have two power tools.
1. Establish trust through shared action. Put them in a situation where one of them has to trust the other. The risk is big, and the payoff is bigger. Somebody has the other’s back when it costs them. The big one is one of the duo saves the other’s life.
In Project Hail Mary when the ship starts spinning out of control, Grace is knocked unconscious. Rocky, who cannot survive in human atmosphere, breaks out of his protective capsule to save him, nearly dying himself. It’s one of the most powerful scenes in the movie. It is a deposit into an emotional bank account that the ending is going to cash.
2. Use intense experiences. Shared intense experiences quickly build a deep, believable relationship between two people who have nothing else in common. This is why so many friendships form in foxholes, hospitals, and terrible jobs. If your two characters don’t like each other, put them in a horrible situation.
Inside Jokes
Once they’ve bonded, show it with inside jokes and their own lingo. In Project Hail Mary, as Rocky and Grace learn to communicate, this happens naturally. It’s one of the most charming parts of their friendship.
“Fist my bump.” Grace teaches Rocky the fist bump through the wall. Rocky mangles the word order. Grace corrects him, Rocky insists it’s the same, and Grace loses that argument permanently. By the end it’s their gesture at every major beat, error and all.
"Question?” — Rocky’s translated speech marks a question by sticking the word on the end. He occasionally does the same with “statement” at the end of a declarative, though inconsistently, and seemingly for emphasis. Grace picks the habit up and starts using it himself.
“Friend” as a title. Rocky puts it in front of the name rather than using it as a noun, and Grace starts doing it back. Their goodbye is built entirely on that construction.
Notice that the lingo is never one-directional. Grace doesn’t teach Rocky English and Rocky doesn’t teach Grace Eridian — they meet in a dialect that only the two of them speak, complete with a permanent grammatical error.
Here’s how to build running jokes and lingo:
Name it. Something happens (a mistake, something silly, a genuinely stupid moment) and one of them names it.
Repeat it. It comes back somewhere ordinary, and now it’s shorthand.
Pay it off. It returns at an emotional peak, where it means something completely different then it did the first time.
Old Friends: The McDonald’s Pickle Principle
Your characters have been friends for twenty years and your reader met them four minutes ago. How do you make us feel two decades of history without a flashback montage and eight paragraphs of backstory?
You show us with things like inside jokes, a shared look, or a fifteen year running argument.
Ride or Die uses McDonald’s pickles to show history and affection. After the first shootout, the two friends sit in the car eating McDonald’s and swap their pickles without a word. One tiny food preference that one friend knows about the other, deployed at exactly the right moment, and suddenly you believe in twenty years of shared history you never saw.
You don’t need the montage. You need the pickles.
Old friends refer to the past in their own kind of shorthand. In Broadcast News, Aaron says to Jane “Ok, I’ll meet you at the place near the thing where we went that time.” She knows exactly what he’s talking about. In Sahara, Dirk suggests they need to pull a Panama, and Al comes back appalled. A Panama? A Panama? Later Dirk shuts the idea down himself with “No Panama!” The audience never finds out what a Panama is. No flashback or explanation needed.
Friendship Tests
Sometimes the characters start as longtime friends and the story tests them (21 Jump Street, Shaun of the Dead.) The friendship gets strained, cracks, and comes out stronger.
The tests can be:
An outsider arrives and one friend chooses them — a girlfriend, a new crowd, a promotion.
A secret surfaces and one of them turns out not to be who the other thought.
They grow at different speeds, which is the quietest and cruelest one, because nobody did anything wrong.
The most juicy stories make the friendship glue the wedge. Whatever bonds these two is be the thing that tears them apart. 21 Jump Street builds Schmidt and Jenko’s friendship is built on complementary deficiency — one has the brains, one has the social ease, and together they’re a whole person. They go undercover in high school the hierarchy flips, and they must adjust to this new dynamic.
Whether the friends in your story are new friends or old friends, there are all kinds of emotional dilemmas to mine to make a great story!
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Two of the biggest things streaming on Prime Video right now are love stories. Neither one has a kiss in it. Best friends are one of our life's central relationships. Stories showcasing best friendships are automatically emotional and high stakes.
Project Hail Mary (2026) is about a middle school science teacher who wakes up alone eleven light-years from Earth, has to save the sun, and ends up doing it with a rock-shaped alien spider he nicknames Rocky. They become the best friends either of them has ever had.
Ride or Die (2026) is about Debbie, a London political wife who writes her husband’s speeches and hosts a book club, and who discovers that Judith, her best friend of decades, is an international assassin.
One story builds a friendship from absolute scratch. The other detonates a twenty-year friendship in episode one and spends eight episodes putting it back together.
(Spoilers ahead! If you haven't seen Project Hail Mary or Ride or Die, watch the movie and a couple of episodes before you read the rest of the article. You'll have a great time!)
Let's break down the different ways to use best friendships.
What Is Best Friend Love?
Blake Snyder, in Save the Cat!, calls best friend stories Buddy Love. Snyder says a best friends story needs three things:
1. An incomplete hero. Somebody who is missing something — physical, ethical, or spiritual. There is a hole in this person. They cannot fill it alone, and, crucially, they usually don’t know that yet. They think they’re fine. They are not fine.
2. A counterpart. The other one. The person who has the thing your hero is missing, or who makes the completion happen just by existing in the same room. Not a mirror. A missing puzzle piece.
3. A complication. Something that gets in the way. A misunderstanding. A clash of ethics. A war. A secret. A society that disapproves. An Albanian crime syndicate. Whatever keeps these two from simply hugging it out in act one.
In Project Hail Mary, Ryland Grace didn't volunteer for the one way mission. That’s his hole: he doesn’t believe he’s the kind of person who shows up. Rocky has total, uncomplicated certainty. The complication is physical. They cannot breathe the same air. They cannot touch. They are separated by a wall for the entire relationship.
In Ride or Die. Debbie is a woman who has poured every ounce of her formidable competence into a husband who can’t tie his own shoes. She’s missing a life of her own. Judith is the counterpart — a woman who has never known love outside this one friendship, and who has an entire skill set Debbie has never dreamed of. The complication is the twenty-year lie.
Three ingredients. Two wildly different stories.
The Odd Couple Engine
Most buddy stories run on the odd couple dynamic. Two people whose personalities or professions grind against each other like mismatched gears, and that grinding fuels your plot.
Neat freak and slob (The Odd Couple). Cop and con man (Midnight Run). Assassin and antique enthusiast. (Ride or Die)
The odd couple isn’t a comedy trick, though it can be funny. It’s a story engine. Every time these two have to solve a problem, they will want to solve it differently. You don’t have to import conflict from outside. It’s already sitting in your car with you, complaining about the radio station.
The mistake writers make is casting the odd couple and then never letting them be odd. If your mismatched pair agrees on everything after page twenty, you’ve unplugged your own engine.
Philia: The Love That Faces Outward
The Greeks had a word for friendship love, philia. The classic way to describe it is that romantic love is face-to-face, while friendship love is shoulder-to-shoulder.
Lovers look at each other. Friends look at the same thing.
Friendships are built on a shared mission or a common enemy. They’re forged pointing in the same direction. The thing that bonds your characters is also your plot.
Grace and Rocky are staring at the same impossible problem. The friendship is the byproduct of the mission, and the mission is what makes the friendship believable.
Best friends stories are built on this idea of brotherhood. From Band of Brothers to The Avengers to Lethal Weapon, best friends share a mission, a cause, and a threat.
Give your friends something to look at. A goal, danger, an enemy. Point them at it and let the bond happen sideways.
Friendship Is the Love You Choose
You don’t pick your family. You sort of stumble into romance. But friends? Friends are chosen. Every single day, on purpose, with no legal paperwork requiring it.That’s the beating heart of every great friendship story.
Why did these two people choose each other?
What do they add to each other’s lives? What does love and support look like in this specific relationship? What keeps them choosing, on the days when it would be easier not to?
Best Friend Intimacy
In best friend stories, two people start out with their defenses fully deployed, and the story is about dropping them. The destination is friends who are more emotionally honest and closer at the end.
Best friend stories have a moment of sacrifice when one or both friends sacrifice for the other. In Project Hail Mary, Grace and Rocky both risk their own lives to save the others at different points in the story. In Ride or Die, Judith kills her partner to prevent the assassin from killing Debbie. Later, Debbie turns herself into Interpol so that Judith can get away.
These sacrifices reveal vulnerability and also strengthen their bond.
Both of Them Have to Change.
If only one of your characters is transformed by the friendship, you haven’t written a friendship. You’ve written a life coach.
They should learn from each other’s skills and perspectives, and both come out different people. Grace learns courage from Rocky. Rocky learns joy from Grace. Debbie learns she is a badass. Judith learns she is capable of being loved.
Two arcs. Two transformations. One relationship.
Give the friendship its own arc.
The bond itself should change, grow, get tested and come back different. The friendship is a character. Put it through the wringer.
Test it with secrets. Test it with conflict. Let it break. Then let them choose it again.
The story should mean something different to each of them. Same events, two different internal journeys. In Ride or Die, Debbie, running across Europe discovers she is a badass. For Judith, it’s about whether she gets to keep the only real thing in her life. Same road trip. Completely different stakes.
As you can see, best friend stories are rich with emotion and stakes. How can you incorporate a best friendship into one of your current projects? Or can you come up with a story where best friends are at the center?
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Hi I’m Lindsey!
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