The narcissist splits their personality into positive and negative aspects, and they do the same when it comes to their interactions with other people. While they take all the credit for all that is nice and good, they blame you or others for any unpleasant ideas or deeds. While continuously accusing you of criticism, they consistently deny their bad remarks and behaviors.
It’s all black and white to them. There is no gray area or middle ground. If you are not good, then you are the worst person in the world.
It is impossible for narcissists to perceive, experience, or recall both the good and bad aspects of a scenario. They can only see one single perspective: theirs. This is all they can handle.
Here is a hypothetical example of narcissists engaging in splitting behavior. A man declared the entire trip to be wrecked and the worst ever since the room didn’t live up to his demands and the temperature of the water wasn’t ideal.