Long-term relationships¶

Type: Entity
Confidence: ★★★☆☆ Promising

Evidence Graph¶

Summary¶

Romantic love universally valued for long-term relationships across 175 countries (2025 study, 117K participants). Social connection reduces mortality 50% via oxytocin-dopamine pathways. Heart-brain coupling enhances emotion regulation.

Timeline¶

Added to Knowledge Graph: 2026-02-04 14:53 UTC
Valid Since: 1992-01-01
Valid Since: 2025-01-01

Relationships¶

Supported By¶

PROVIDES_EVIDENCE_FOR: Ethnographic evidence
Ethnographic evidence from 147 of 166 cultures demonstrates that romantic love is valued for long-term relationships 📅 Valid since: 1992-01-01 📚 Mentioned in 1 episode(s)
EXPLAINS_EVOLUTION_OF: Evolutionary mechanism
Evolutionary mechanism explains romantic love evolved as mammalian courtship attraction system to focus mating energy on preferred partners for long-term relationships 📚 Mentioned in 1 episode(s)
INCREASES_IMPORTANCE_OF: Modernization
Modernization increases romantic love's cultural importance in long-term relationships 📚 Mentioned in 1 episode(s)
CONFIRMS_UNIVERSAL_VALUE_OF: 2025 cross-cultural study
2025 cross-cultural study with 117,293 participants across 175 countries confirmed romantic love is universally valued for long-term relationships 📅 Valid since: 2025-01-01 📚 Mentioned in 1 episode(s)
VALUE_MORE: Lower socioeconomic status individuals
Lower socioeconomic status individuals value romantic love more in long-term relationships 📚 Mentioned in 1 episode(s)
CORRELATES_WITH: Female status
Higher female status correlates with emphasis on romantic love in long-term relationships 📚 Mentioned in 1 episode(s)
VALUE_MORE_HIGHLY: Nuclear family systems
Nuclear family systems value romantic love more highly for long-term relationships 📚 Mentioned in 1 episode(s)

Explore Further¶

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Last updated: 2026-02-04