partnersin.love

The Atlas · an encyclopedia of modern love

Every way of belonging to each other.

There was never just one shape for love. This is a living field guide to the forms people actually live — old ones newly named, new ones still finding their words. No form ranked above another. Find the one that sounds like your life.

18 forms · 4 worlds · grounded in research

Filter by world

I

Older forms, newly seen

Boston Marriage

Boston Marriage

New England · 1880s–1920s

Two women sharing one household and a whole life — financially independent, socially respectable, sometimes romantic, sometimes not. Named for Henry James's 1885 novel The Bostonians.

Companionate Marriage

Companionate Marriage

1920s → today

Marriage reimagined as a partnership of equals — friendship, respect and a shared life over property and duty. Psychologists name its steady, affectionate bond companionate love, the warmth that outlasts early passion.

Romantic Friendship

Romantic Friendship

pre-20th century

Before the modern couple, devoted and physically affectionate friendships were ordinary and celebrated — letters, vows, lifelong loyalty, no romantic label required to make the love legible.

Arranged & Semi-Arranged Marriage

Arranged & Semi-Arranged Marriage

global · ancient · alive

The family opens the door; the two of you decide whether to walk through it. Consent kept, love often built afterward — and never to be confused with force.

Lavender Marriage

Lavender Marriage

convenience & cover

A marriage joined for practical or protective reasons rather than romance — once a shield for queer lives, now also an openly-chosen partnership between friends.

II

The monogamy spectrum

Monogamy

Monogamy

one at a time

One partner, exclusive by agreement. In practice most people live serial monogamy — a sequence of committed, exclusive bonds across a lifetime rather than a single one.

Monogamish

Monogamish

coined by Dan Savage · 2011

Mostly monogamous, with a small honest allowance for outside desire. "Pair-bonded… but we allow for attraction to others" — a sweet spot between strict exclusivity and full openness, built on consent and candour.

Open Relationship

Open Relationship

one home, open bodies

A central emotional partnership stays primary while sex or play with others is openly negotiated. The classic text is Easton & Hardy's The Ethical Slut — non-exclusivity practised with rigorous honesty.

Swinging

07 Constellation

Swinging

a structure & a subculture

Couples who explore recreational sex with others — usually together, often socially. As much a community with its own etiquette as a relationship shape.

III

Many threads

Polyamory

08 Constellation

Polyamory

many loves, all consenting

More than one loving relationship at once, everyone informed and willing. Sociologist Elisabeth Sheff calls them "the polyamorists next door" — ordinary people, openly plural.

Ethical Non-Monogamy

09 Constellation

Ethical Non-Monogamy

the umbrella · ENM / CNM

The canopy over every honest non-exclusive form. A 2017 study of single Americans found roughly one in five (21.9%) had practised consensual non-monogamy at some point in their lives.

Throuple & Polycule

10 Constellation

Throuple & Polycule

three, or a whole web

A throuple is three people in one interwoven relationship; the polycule is the wider constellation of everyone connected through everyone — drawn, sometimes literally, as a map.

Solo Polyamory

Solo Polyamory

plural, but unmerged

Many loves without a primary or a shared household — autonomy first. You are your own anchor; relationships orbit a centre that is wholly yours.

Polyfidelity

22 Constellation

Polyfidelity

closed & committed

Monogamy's faithfulness, opened to more than two — a closed, equal circle of three or more who love inward and don't date beyond the group.

Don't-Ask-Don't-Tell

25 Constellation

Don't-Ask-Don't-Tell

open, unspoken

Non-monogamy by agreement, with the details deliberately left unspoken — a chosen privacy that suits some couples and unsettles others.

Kitchen-Table & Parallel

28 Constellation

Kitchen-Table & Parallel

how a polycule lives

How a non-monogamous network organises itself — kitchen-table, parallel, or garden-party — and whether it runs on hierarchy or holds everyone as equals.

IV

New vocabularies

Relationship Anarchy

12 Constellation

Relationship Anarchy

Andie Nordgren · 2006

No hierarchy, no inherited scripts — every bond designed from scratch and named by the two people in it. Its manifesto insists love is not a scarce resource to be rationed.

Queerplatonic

13 Constellation

Queerplatonic

QPR · aromantic spaces · 2010

A commitment deeper than friendship yet not romantic — its own third thing. Born in aromantic and asexual communities for love the romance-or-friendship binary can't contain.

Situationship

Situationship

undefined, on purpose

More than friends, not quite together, deliberately unlabelled. Merriam-Webster logged it as the signature Gen-Z non-label — all the feeling, none of the title.

Comet

15 Constellation

Comet

recurring, intermittent

A partner who returns again and again across years — bright and intense when your orbits cross, low-logistics in between. Distance is the form, not the failure.

Nesting / Anchor Partner

Nesting / Anchor Partner

named by what you build

The person you share a home and daily life with — defined by the nest you keep together, not by romantic rank. A vocabulary that lets logistics and love be described separately.

Asexual & Ace-Spectrum

Asexual & Ace-Spectrum

attraction, low or off

Little or no sexual attraction — an orientation, not a deficit. Demisexual, greysexual and the split-attraction model give everyone cleaner words for desire.

Friends with Benefits

Friends with Benefits

named, modern

A real friendship that adds sex without the climb toward couplehood — where the honest conversation, not the bedroom, decides whether it works.

Cohabitation

Cohabitation

the new default

Everything a marriage has — the shared keys, the same Tuesday — minus the paperwork that says so. The de-facto modern default, and a form in its own right.

V

Apart & autonomous

Living Apart Together

Living Apart Together

LAT · committed, two doors

Deeply committed, each with their own front door. Around 10% of UK couples; a 2024 UCL / Lancaster study found older adults reach intimacy's mental-health benefits more equally this way.

Single at Heart · Aromantic

Single at Heart · Aromantic

whole on your own

For some, a romantic partner was never the missing piece. Aromantic people, and the "single at heart" in Bella DePaulo's research, flourish through friendship, self, and chosen family — by design, not default.

Sologamy

Sologamy

marrying yourself

A symbolic vow to honour and care for yourself — self-worth made ceremonial, and a quiet refusal of the rule that everyone must be half of a couple.

Long-Distance Relationship

Long-Distance Relationship

love across the miles

Love across the miles, a form in its own right — as committed as living next door, with its own crafts of trust, rhythm, and the tricky art of reunion.

Chosen Family

Chosen Family

the kin you make

People who show up for milestones and emergencies, carry each other through the years, and function as primary kin — without requiring shared blood or a marriage certificate.

Age-Gap Relationship

Age-Gap Relationship

love across a significant difference in age

Ancient, globally common, and persistently misread in both directions — the real questions aren't about the number, but about power, choice, and who chose this.

Platonic Life Partnership

Platonic Life Partnership

two people, no romance, all the commitment

Friendship promoted to the rank our culture reserves for romance — shared home, shared finances, healthcare proxies, a whole life built on a non-romantic primary bond.

Interfaith & Intercultural Marriage

Interfaith & Intercultural Marriage

love across the line of faith and culture

Increasingly the norm rather than the exception — two people who answer life's biggest questions differently, and become lifelong translators of each other's worlds.

The Blended Family

The Blended Family

his, hers, ours — a household of more than one story

One of the most common family shapes in the modern world, and one of the most demanding — a home where love must be built, not assumed, across lines of loyalty and history.

The Celibate Partnership

The Celibate Partnership

a committed bond, by choice, without sex

Distinct from asexuality and from a "dead bedroom" — a positive, mutual choice to build a loving partnership without sex, for reasons of faith, healing, focus, or simple preference.

Found your shape? Now write its rules.

No form comes with instructions. In The Covenant, you and your people draft your own — a living agreement, revisable forever.

Draft a Covenant

On the research

Every flagship entry cites its sources — historians, sociologists, the people who coined the words. We treat these forms as worthy of study and of art, not novelty. Where a number appears, a study stands behind it. Where a name appears, a person first said it out loud.