One of the primary reasons why someone might feel jealous in a relationship is when they have self-esteem issues.
Another reason for people to get jealous is insecurity. We all have them. Some of us may be insecure about how we look, our jobs, or how we talk.
Overthinking can be the root cause of various problems – even jealousy. If you overthink, you might create situations that do not exist in your head.
Another reason for jealousy is a paranoid personality. This is when a personality disorder causes you to be fearful of situations that you have created in your head, mostly via apprehension.
Another common reason that people get jealous in relationships is when they have trust issues. Maybe things have happened in the past that have caused your partner not to trust people easily.
Jealousy can cause stress. The jealous partner will feel stressed because they are questioning their place in the relationship,
Another effect of jealousy on partners and the relationship is frustration. Because the partners are aware that jealousy is futile and does not mean anything,
When you are becoming more confident, it involves being sure of yourself. You must be able to make decisions and stand by them.