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Identify the cause. Decide whether the jealousy is rational.
The first step to dealing with any negative emotion is to find the thought behind it. Jealousy is no exception. Ask yourself: why am I jealous? Who or what is causing this jealousy? Be as objective as possible when you answer these questions. Don’t fall into the trap of confirmation bias, or seeking out evidence to back you up. Try to get at the real reason. Think critically about the thoughts or actions that led to jealousy. Are your suspicions or worries rational, or irrational?  Continue on to one of the sections below based on your decision.