10 Signs You're Dating a Narcissist | Therapy Series from Benjamin Bonetti. Dating a narcissist can be a challenging and emotionally draining experience. Here are ten signs that you might be in a relationship with a narcissist: Firstly, they have an excessive need for admiration and attention. They constantly seek praise and validation from others, and may become angry or upset if they don't receive it. Secondly, they have an inflated sense of self-importance, and believe that they are special or unique in some way. They may feel entitled to special treatment or privileges, and expect others to cater to their needs. Thirdly, they lack empathy for others, and may be dismissive of other people's feelings or needs. Fourthly, they are often preoccupied with fantasies of power, success, and attractiveness, and may exaggerate their achievements or abilities. Fifthly, they may exploit others for their own gain, and may have a sense of entitlement when it comes to taking advantage of others. Sixthly, they may be manipulative or deceitful, and may lie or deceive others to get what they want. Seventhly, they may have a sense of grandiosity, and may believe that they are better than others in every way. Eighthly, they may be controlling or domineering, and may try to dictate how others should think or behave. Ninthly, they may be highly reactive to criticism or rejection, and may lash out or become defensive if they feel that their ego has been bruised. Finally, they may lack the ability to maintain healthy relationships, and may have a history of unstable or tumultuous romantic relationships.