A monumental weakness in the narcissist is the failure to look internally and flesh out what needs to be worked on. Then, of course, the next step is to spend time improving. The narcissist sabotages any possibility of looking deep within.
Take control of a narcissist's schedule to upset them.
Narcissists want to be in control of everything, and that includes the plans you make with them. If you want to drive a narcissist crazy, be late to time-sensitive plans to throw off their day. Be unreliable so they never know what to expect from you next.
Although narcissists act superior, entitled and boastful, underneath their larger-than-life facade lies their greatest fear: That they are ordinary. For narcissists, attention is like oxygen. Narcissists believe only special people get attention.
It comes hand-in-hand with this that narcissists hate being criticised or called out. Which is exactly why there's one word in particular narcissistic people cannot stand: "no".
Narcissists are attracted to certain types of people. Rather than weak, vulnerable people, they tend to go for the strong-willed and talented. They are also attracted to people who reflect well on themselves.
Although they can be targeted, type A people can also become a narcissist's worst nightmare. One of the most important defenses against dark personalities is having strong boundaries yourself, and type A people are usually aware they have the right to build them.
If you want to make a narcissist feel bad, then dish them a taste of their own medicine. This is the best way to play with their heads. If they would ignore you, ignore them. Use the silent treatment as well, distancing yourself away from them, and becoming too busy to spend time with them.
However, some studies have also pointed out that narcissistic characteristics may not only arise from childhood environments characterized by neglect/abuse, but also from environments in which a child is sheltered or overly praised [11,14,15].
It's not known what causes narcissistic personality disorder. The cause is likely complex. Narcissistic personality disorder may be linked to: Environment — parent-child relationships with either too much adoration or too much criticism that don't match the child's actual experiences and achievements.