"Triangulation and repeated abandonment carried out by the narcissist strengthens insecure attachments, guaranteeing you will feel jealous, needy, and worried all the time, perpetually seeking reassurance and validation from the narcissist – the very person who will never give you either of those things." - (Saeed, Kim, 02 July 2016, "Why Narcissists Discard You at the Worst Possible Times)

Interesting.