Narcissists are individuals who exhibit traits of grandiosity, a lack of empathy, and a sense of entitlement. When their romantic partner moves on after a breakup, a narcissist may experience a range of emotions depending on their personality and the circumstances of the breakup.

At first, a narcissist may not be affected by their ex moving on. They may even see it as a challenge to win their ex back or prove their superiority by finding someone better. This is because narcissists often view themselves as special and entitled to attention and admiration from others. As such, they may feel that their ex’s new partner is inferior or not worthy of their ex’s attention.
However, as time goes on, a narcissist may begin to feel threatened by their ex’s new relationship. They may experience feelings of jealousy, anger, and betrayal. This is because narcissists have a strong need for control and domination in their relationships, and the idea of their ex being happy with someone else may challenge their sense of power and control.
Additionally, a narcissist may feel a sense of loss and abandonment when their ex moves on. This is because they may view their ex as an extension of themselves, rather than as an independent person with their own thoughts and feelings. As such, the narcissist may feel that their ex’s decision to move on is a personal rejection of them, rather than a natural part of the breakup process.
Some narcissists may also attempt to undermine their ex’s new relationship by spreading rumors or engaging in other forms of manipulation. They may try to contact their ex to disrupt the new relationship or make themselves appear more desirable in comparison. This behavior is often driven by a desire to regain control over the situation and assert their dominance over their ex.
It’s important to note that not all narcissists will react in the same way when their ex moves on. Some may experience a sense of relief or indifference, particularly if they were the ones who initiated the breakup. Others may struggle to move on themselves and become fixated on their ex’s new relationship, leading to obsessive or stalker-like behavior.
In any case, it’s important for individuals who have been in a relationship with a narcissist to prioritize their own emotional well-being and safety when moving on. Narcissistic behavior can be emotionally abusive, and it’s not uncommon for narcissists to engage in stalking, harassment, or other forms of retaliation when their ex moves on. It’s important to set clear boundaries and seek support from friends, family, or a therapist to navigate the healing process.
In conclusion, narcissists may experience a range of emotions when their ex moves on, including jealousy, anger, and a sense of loss. Their reaction is often driven by a desire for control and dominance in their relationships, as well as a need for attention and admiration. It’s important for individuals who have been in a relationship with a narcissist to prioritize their own well-being and safety when moving on, and to seek support as needed to navigate the healing process.