Easy to spot once you know. This type of behavior flows from an Instable basis: too much, too little or irregular  protection by mother.    The narcisist does not really understand normal behavior. Is easily challenged and moves into blowing him/herself up. ( blowfish)  Then frustration ensues followed by pushing away.  back to square one. That is the narcisistic circle and within that circel, the need to control is gargantuan. You submit or not.  So, listen carefully to childhood stories and know what questions to ask to make an informed decision.  Circumcision may proof to be a contributing factor to the development of narcisistic behavior, and thus Philosophies that enforce the narcisist wetdream.