Varning signs, In the head of a narcissist, on a dating site. It is a true story when i start talking to a man on dating.com His behavior was good, no "red flags" at all. He had a sense of humor and everything was fine. It can be very difficult to determine. Where do you think the line is? I want to show you a number of letters from this man. Narcissists hate when they are not in focus. And they are often insecure and need power. They can also take a lot of energy from their fellow humans. In order to feel good themselves.