20 Shocking Truths About Narcissism: A Twisty Tour through Diagnosis and Treatment
17. Envy's Corrosive Role: When Others' Success Becomes a Threat

A hidden, corrosive truth about NPD is the profound role of envy. Success or happiness in others is often perceived not as something to celebrate, but as a direct threat to their own perceived superiority. This envy can manifest as subtle belittling, competitive behavior, or even outright sabotage to diminish others' achievements. Understanding that another person's success can genuinely trigger feelings of inadequacy and resentment in a narcissist is key to navigating interactions and protecting your own well-being.