Jealousy is a common emotion that can arise in a variety of situations - in personal relationships, professional relationships or even in response to the success of others. It is a feeling of discomfort, anxiety or frustration triggered by the belief that someone else possesses something that we lack - be it love, recognition, success or material goods. Although jealousy is a natural human reaction, its uncontrollable intensity can lead to toxic behaviour, conflict, lowered self-esteem or feelings of unhappiness. In today's world, where social media and comparison culture are ubiquitous, dealing with jealousy becomes crucial for mental health, relationship harmony and personal growth. Fortunately, there are healthy and effective methods to understand this emotion, transform it into positive motivation and build authentic self-esteem. In this article, we will discuss what jealousy is, where it comes from and the ways in which it can be overcome - from reflection to self-acceptance to support and professional help. We look forward to reading it!