Narcissism is a modern epidemic--and it's spreading rapidly. Narcissists tend to be pretty on the outside, but empty on the inside. While they are often successful, they are also controlling, manipulative, entitled, vain, and they have no empathy. If your significant other can be charismatic and charming one moment and leave you feeling disappointed, unsettled, and doubting yourself the next, you may be involved with a narcissist. This dangerous relationship can slowly ruin your sense of...