If someone gets jealous of you being happy for other people's success, it could indicate several underlying reasons or emotions:
Insecurity: The person may feel inadequate or insecure about their own achievements or success. When they see you genuinely celebrating others' accomplishments, it may remind them of their own perceived shortcomings, leading to feelings of jealousy.
Envy: Jealousy can stem from a sense of envy towards the person who is successful or the people being celebrated. The individual may covet the same achievements and recognition but feel frustrated that they have not attained similar success.
Competitiveness: Some people have a strong competitive nature and may struggle with feeling happy for others' success because they see it as a form of rivalry. In their minds, celebrating someone else's success might feel like acknowledging that the other person is "winning" in some way.
Attention Seeking: Jealousy can also be a result of someone seeking attention or validation for themselves. They might feel that if they express jealousy or discontent, they will receive more attention or reassurance from others.
Fear of Abandonment: In certain cases, jealousy can be linked to a fear of losing a close relationship with someone who is successful or being celebrated. The person might worry that the successful individual will outgrow or abandon them.
Negative Mindset: Individuals with a negative mindset might find it challenging to be genuinely happy for others. They may focus on the negatives, comparing themselves unfavorably with others, rather than recognizing the joy in celebrating someone's achievements.
It's essential to remember that jealousy is a complex emotion, and it is a normal human reaction. However, if someone's jealousy is causing strain in your relationship or impacting their own well-being, it may be helpful for them to reflect on the root causes of their feelings and work towards developing a more positive and supportive mindset.
As a friend or acquaintance, you can try to understand their perspective and offer support and empathy. Encouraging open communication and helping them focus on their own strengths and goals can also be beneficial in overcoming feelings of jealousy. However, it's important to set healthy boundaries and not allow their jealousy to negatively affect your own happiness or well-being.