article_snippet: Moodiness, loneliness and jealousy are all key indicators of addiction.
article_snippet: An obsession with physical appearance is also a telling sign .
article_snippet: He explained that higher scores of narcissism - defined as excessive interest or admiration of oneself and one’s physical appearance - is the most common and obvious sign of the addiction.
article_snippet: An obsession with taking selfies and posting them on social media is one key indication.
highlights_snippet: Moodiness, loneliness and jealousy are all key indicators of addiction .
  
highlights_snippet: An obsession with physical appearance is also a telling sign .
  