How to deal with a narcissist trying to come back into our life?

Narcissists re-idealization of old sources of supply based on Sam Vaknin video

(00:04) Introducing the Topic

(01:43) Narcissist's Re-idealizaton

(05:01) A Strategy to Brush Off Narcissist Coming Back 

(09:19) Get Over the Narcissist & the Buzz You Get

(12:09) Don't Romanticize the Narcissist