Before revision: A medical review of related behaviors in animals and humans concluded that current medical evidence does not support an addiction model for maladaptive passion-related behaviors .
After revision: A medical review of related behaviors in animals and humans concluded that current medical evidence does not have definitions or criteria on an addiction model for love addiction, but there are reported similarities to substance dependence, such as euphoria and desire in the stimuli (drug intoxication), as well as anhedonia and negative levels of mood when away from the stimuli (drug withdrawal), intrusive thoughts on it, and disregard for adverse consequences .