Sternberg’s Triangular Theory of Love: Intimacy, Passion and Commitment

These are not fixed scores from one assessment. Relationship stage, stress, distance, health and shared experiences may change them. Strong early passion does not show that commitment has formed; declining passion in a long relationship does not make it worthless.

Eight combinations, including nonlove

The seven love combinations plus the absence of all three components give eight descriptions. Understand the components rather than memorizing labels.

This is not a relationship scorecard. “Consummate” does not mean permanently stable. All components need behavioral support, and partners may understand them differently.

These combinations are theoretical limiting cases; a real relationship need not be a pure example of one.

A relationship state is not a personal type

“I am the passionate type” or “they cannot commit” can hide the actual question. Components describe two people’s interaction at a particular stage, not lifelong identities. Delayed commitment in one relationship may reflect conflicting values, practical constraints or undeveloped trust; behavior can differ in another relationship or life stage.

“Relationship script” here means recurring expectations and interaction sequences. It is not a new scale created or validated by FermatMind and does not diagnose attachment. There is no highest-cluster scoring rule or seven-script matching algorithm in this exercise.

Describe an actual triangle and an ideal triangle

Each partner can complete the exercise separately if they freely want to. Begin with evidence rather than deciding who is right.

1. Describe the present

Write examples from the past four weeks:

1. When did we understand or support each other?
2. What interactions brought attraction, energy or anticipation?
3. What visible, sustained choices did we make for the relationship?

2. Describe what you want

Which component would you like to increase over the next three months? Name a behavior rather than an abstract feeling: a weekly conversation without phones, a shared new experience, or progress on a long-term plan.

3. Compare the gap

If one person wants more passion and the other prioritizes commitment, different priorities do not automatically mean insufficient love. Translate needs into concrete requests, then decide whether both are willing to participate. These time windows are optional reflection examples, not a validated dose or test of relationship quality.

One relationship can move through different combinations

Early passion may precede mutual knowledge. Shared living can increase intimacy and commitment while work, care and health affect passion. Long-distance arrangements, parenting, unemployment or relocation can change the pattern again.

You might revisit the three questions every three months: what helped me feel understood, how did we create attraction or energy, and what commitments became time, responsibility and choices? An empty answer suggests a specific question to explore, not an immediate verdict that the relationship has failed.

Safety comes first. Control, humiliation, threats, isolation and coercion are not costs you must accept for any combination of love. Prioritize safety and appropriate support; do not try to repair these conditions by increasing intimacy or passion. You do not owe a direct confrontation. Stop an exercise or discussion if it feels unsafe or consent is absent.

When partners fundamentally want different relationships, the theory can clarify disagreement but cannot guarantee agreement.

Seven love states are not seven best-match answers

Before asking which love suits you, consider:

• Whether both people want compatible relationship goals.
• Whether conflict can be repaired, rather than only counting conflicts.
• Whether commitment is expressed in sustained action.
• Whether power, boundaries and safety are reasonably equal.
• Whether practical conditions support the life both people want.
• Whether differences can be discussed without personality labels silencing either person.

Personality preferences may help discuss communication pace. They do not prove compatibility. Sharing an MBTI type does not establish a good match; different types do not disqualify a relationship.

Common misunderstandings

Strong passion means deeper love

Passion matters, but intensity may also accompany uncertainty, pursuit or temporary closeness after conflict. Consider intimacy, commitment, safety and sustained behavior too.

A relationship without passion must end

That component alone cannot decide. Stress, care responsibilities, health and patterns of interaction can affect it. First clarify the issue, both people’s wishes and what can be adjusted. Seek appropriate professional support for physical or mental-health concerns.

Consummate love is a destination reached once

Even when all three components are present, they can fluctuate. Maintenance is ongoing; the label is not permanent certification.

Use the theory in one specific conversation

If conversation is safe and mutually wanted, try:

1. “One moment I felt close to you in the past month was…”
2. “What I would like us to add is a concrete action, such as…”
3. “The action I am willing to take is…”
4. “What could we observe in four weeks to see whether this helped us?”

For a particular celebration, see planning a Valentine’s date around relationship stage, preferences and budget. This page explains relationship components; that article considers activities.

Frequently asked questions

Can the theory identify my best partner?

No. It describes components, does not predict a specific partner and cannot replace judgment about values, safety, boundaries and practical conditions.

Are the seven love combinations fixed?

No. They describe states that change with stage and context. Including nonlove gives eight combinations, not eight permanent identities.

Which component matters most?

There is no answer for every relationship. Priorities can differ by stage, but long-term partners need sufficient clarity about expectations and contributions.

Can MBTI determine our love types?

MBTI-style preferences may prompt discussion of communication and decision differences. They cannot establish relationship quality or a best match.

Sources and their limits

• Sternberg, R. J. (1986). A triangular theory of love. Psychological Review, 93(2), 119–135. https://doi.org/10.1037/0033-295X.93.2.119
• Robert J. Sternberg’s public introduction to love theories: https://www.robertjsternberg.com/love/
• Acker, M., & Davis, M. H. (1992). Intimacy, passion and commitment in adult romantic relationships. https://doi.org/10.1177/0265407592091002

These sources support discussion of components and relationship states. They do not validate partner matching or predict relationship outcomes.