The term "narcissist" refers to someone with Narcissistic Personality Disorder (NPD), characterized by a pattern of grandiosity, a need for admiration, and a lack of empathy. While individuals with NPD may display certain consistent behaviors, such as seeking validation and admiration from others, it is crucial to remember that each person is unique, and not all narcissists will exhibit the same tendencies.
Some narcissists may be capable of staying in a relationship for more than five years without cheating, but it can be challenging due to their need for constant validation and admiration. Narcissists often struggle with empathy and emotional connection, which can impact their ability to form deep, meaningful, and long-lasting relationships.
Additionally, narcissism exists on a spectrum, and some individuals may have narcissistic traits without meeting the full criteria for NPD. These individuals may display narcissistic behaviors but still maintain long-term relationships without cheating.
Remember that a person's ability to stay loyal in a relationship depends on various factors, including their personality, values, emotional maturity, and willingness to work on personal growth and self-awareness. If you suspect that you or someone you know is dealing with challenges related to narcissism or any other personality disorder, it's essential to seek professional help from a mental health expert. They can provide personalized guidance and support.