Jealousy involves an entire "emotional episode," including a complex "narrative": the circumstances that lead up to jealousy, jealousy itself as emotion, any attempt at self regulation, subsequent actions and events and the resolution of the episode.  The narrative can originate from experienced facts, thoughts, perceptions, memories, but also imagination, guess and assumptions. The more society and culture matter in the formation of these factors, the more jealousy can have a social and cultural origin. By contrast, jealousy can be a "cognitively impenetrable state", where education and rational belief matter very little.