Relationships with a narcissist are hard. Narcissists have very different agendas and purposes in relationships. They need a person to suck the blood out of them.
There is no mutual understanding and emotional harmony in a relationship with a narcissist.
Narcissists love to build relationships because they need a constant narcissistic supply for themselves.
They require fuel 24 hours a day. In a relationship with a narcissist, they are their own focus you are not on their list.
When you try to leave a relationship with a narcissist they set traps to bring you back for more narcissistic abuse.