Understanding Jealousy

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Jealousy is a common experience in close relationships, an experience that can prove harmful.

New research identifies three goals in relationships and shows how perceptions of jealousy affect each one.

The more you prevent threat perception from outweighing relationship growth, the more you'll thrive.

Most people expect that once established, a long-term romantic relationship should be exclusive. All other potentially romantic connections should be severed, and the couple should be able to move on with their joint life, free of worry and strain.

Nevertheless, there are times when doubt comes into even the best relationship. Ellen and Oscar decided to move in together two years ago and, although marriage is in the works, they are waiting until their finances are in shape. Like any other couple, they go about their daily routines while they save for the future. Recognizing that they are still formally “single,” both of them avoid giving in to temptation if an attractive alternative comes along.

All of this was great until Ellen suspected that one of Oscar’s coworkers was trying to get, in her mind, uncomfortably close to him. The more she thought about this, the more she closed herself off emotionally to Oscar. She began to wonder if she should bother saving money for a future that might not happen while also resenting the time and effort she put into the exigencies of daily life such as meal planning and housework. Oscar swears he has no intention of straying, but her doubt only continues to grow.

A Three-Way Look at Relationship Dynamics

As defined in new research by University of Cologne’s Yael Ecker and colleagues (2026),........

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