Paraphrased:
The narcissist’s smirk is a subtle but telling expression that occurs when a narcissist experiences pleasure from manipulating or deceiving someone.
For narcissists, the smirk usually reflects contempt, which is a deep-seated disdain or lack of respect towards others. For narcissists contempt is tied to their belief in their own superiority. They view others who do not serve their needs as worthless or beneath them, showing a complete disregard for how their actions impact those around them.
This goes right up there with stock chart technical analysis. "It’s definitely this. Though it can also be this. Or that. And it depends on the person. And the context. And…
It’s so messy/noisy with variables, stuff like this just gives people false confidence that they know who/what someone is or what something represents. Psuedoscience
And micro expression analysis to prove deceit.
“expression analysis” - 2025 phrenology