Do you think you might have a love addiction? What is limerence? Defined by psychologist Dorothy Tennov, Limerence is a mental state of intense romantic infatuation where one feels a strong romantic desire for another person - the limerent object. Limerence is characterized by the intrusive thoughts one can experience about their crush and the strong emotional arousal that can grow into an obsessive craving for another person. Limerence can often last months, years, or even a lifetime if not treated. So, how would you know if you have it? Here are six signs you are stuck in the emotional state that is limerence.