If you do anything that is perceived as an attack or they feel hurt, they will activate. The key to dealing with the narcissus is if you can meet the emotional needs, then everything comes tumbling down. So all you have to do is give them love. And you can do it with a boundary,. You can say like, like, i know it's kind of weird, but you just have to bein nice to them, basically. But don't play their game because you don't want to reinforce their behavior.