You can't... if you're a narcissist. But if you're wondering whether you are... you probably aren't. A narcissist would never consider he/she is one, or admit that they are when confronted that they might be. There are lots of sites/pages out there that explain the main criteria... grandiose/fantasy, lack of empathy, self-absorbed, craving attention, etc.
SATAN
NO.
NO
yes
no
No. They may show their narcissism more if drunk, but there are many sober narcisstic people. Many alcoholics and/or drug abusers are narcisstic.
Yes.
dont just dump him
narcissist person is a our self-love. he/she always show our personality,our beauty.
Vanity, self involvement. Lots of time spent facinating about oneself.
set them up with praise, then subtly let them know you're aware of their pathology. that could be dangerous though, depending on how vindictive or violent they are. you can always just cut them out of your life.
confront him about it and if he doesnt want to fix it and it bothers you that much then break up with him