Jealous narcissists may ignore people as a way to punish or control them. If a narcissist perceives someone else as having all the cool things they want or being overly busy with other people, they might resort to silent treatment out of jealousy.
If you're dating someone who is always seeking attention and approval, is extremely charming and successful or has a deep need for admiration, they may be a narcissist. However, the best way to know for sure is to consult with a mental health professional.
It can have a devastating effect on the victim. It can cause them to doubt themselves, their worthiness, and their sanity. They may feel like they are never good enough and that they will never be loved. This can lead to a spiraling of negative emotions such as shame, guilt, and self-loathing. The victim may also develop anxiety, depression, and post-traumatic stress disorder.
Narcissistic supply refers to the attention and admiration that narcissists crave. If a narcissist is ignoring you, it could mean they're not getting their desired narcissistic supply from you, so they resort to emotional abuse like completely ignoring to manipulate you into giving them more attention.
While it's possible for a narcissist to feel remorse, it's not typically associated with their behavior. Due to their inflated sense of self and lack of empathy, narcissists may not feel guilty after cheating. Instead, they might use manipulation tactics, or other forms of narcissistic abuse, to justify their actions or shift the blame onto others.
Common narcissistic traits include self-importance grandiosity, self-indulgences that they imagine unlimited success and a belief that they are "special" and unique. They often require excessive admiration and have a sense of entitlement. These traits can be particularly damaging in sibling relationships.