How Long Can a Narcissist go without Supply? What is Narcissistic Supply? Can a narcissist survive without their narcissistic supply? To obtain the answers to these questions, stay with us till the end of the article. If you know about narcissism, have come across a narcissist, or have a narcissistic partner or a family member you might have come across the word "Supply". Supply is everything that makes them important like control, praise, worth, ego boost, and everything that makes them feel...