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Story summary
- A study in Personal Relationships finds cognitive jealousy remains stable within relationships but varies between partners, involving 891 young adults over five years.
- Past experiences with infidelity heightened jealousy levels.
- Neuroticism and attachment anxiety influence jealous thoughts.
- The study reports that jealousy is not typically escalating or fading over time, with 28.2% of variation due to individual differences and 39.8% due to relationship dynamics.
- Interventions should address both personal traits and relationship contexts.
