The worst thing that can happen in a relationship is the narcissist. This personality trait is very self centered, very caught up on themselves and cannot be emotionally invested in anyone but themselves. Regardless if they have children, or family that reside with them. They will create some sort of problem for the people surrounding them no matter who they hurt in the process. As long as they are okay and they have themselves taken care of, all is well in their world. Lets dig in to the narcissistic personality trait and find out what you can do to take care of yourself before the narcissist takes over.