Videos like these have been coming up on YouTube for me lately. This video is on point with what it is talking about and I have seen this and lived through it.
Desire versus Cherishing. Another one that hit home. I cherished someone, but it was not reciprocated. Cherishing requires empathy, self-awareness, valuation of the other person and the willingness to make adjustments for the another person. Narcissists are not able to do this.
This is an informative video too.
Another great video explaining her behavior.
More information about covert narcissist behavior.