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Relations to enhance a sense of uncertainty can lead to jealousy. Worried that expectations were not meet a partner, or worried that they are not looking for partners who want to more easily jealous. If an individual suspected of whether they have the ability to meet the lover, even if high self-esteem of people can easily jealous.

If one partner is more than the other advantages, such as physical attractiveness stronger, have more wealth or intelligence, the weaker party may think that other people may be more a good fit with their partner, which may make it unpleasant. Most of us want the best partner, but once realized that if your partner is willing, they will be a better partner, which in turn will enable us to generate a sense of threat.

In any case, let us consider what such people are facing terrible situations, they will depend on the current relationship, while the relationship felt a sense of uncertainty: they need their partners, but worried that she is not good enough and can not to retain a partner. So also is easy to understand, regardless of whether he has the third-party intervention, as long as they are aware of such information, its response will be very strong.

Attachment types also affect jealousy, to some extent, not worry about the individuals usually have similar characteristics: they avidly sought with others close to, but are still concerned about his partner returned to love enough, which can lead to jealousy. To be sure that a number of consider-type attachment than the other three types of people to experience more intense jealousy. Fear-type and not worry about the type of people are worried whether they would be the same partner abandoned, so trigger jealousy situations, they will experience the similar anxiety and suspicion. However, as to bring them closer to the comfort of a low, so the competition is also a third party will not feel how sad or panic. In contrast, secure or avoidant people do not worry about being abandoned, so with the fear-based or more compared to type into account more is not easy to envy. However, when the individual attention to the relationship between the threats, the security-type people than avoidant people who experience more intense panic. Comprehensive consideration of these circumstances, when the relationship when it is threatened, the most difficult to be affected, usually those who avoidant people. Self-contained sense and to try to not rely on others is obviously a kind of jealous of the immunoassay.

A number of other personal characteristics can lead to the escalation of jealousy. Value sex-specific people expect those partners are monogamous, while a partner other affair, they will experience a high degree of reactive jealousy. On the other hand, if the partner also hold sex-specific view and loyal, then they will experience a lesser degree than others, the suspected sexual jealousy, because for them, sexual betrayal is unlikely. In contrast, there are already affair (or intend to have one) person, in the partner betrayal, the jealous less; but they are also more worried about betraying his partner in the future. All in all, people who do not value sex-specific and sex-specific value compared to people who tend to experience lower levels of reactive jealousy, but will experience a strong suspicion of sexual jealousy.