CNN's John Sutter talks about the Seven Deadly Sins, envy. He says social media has made it easier for people to compare themselves and others. Social media can be damaging because it presents the best version of all the other people, he says.
What does social media do to our self-esteem? How is envy affecting our politics? And should you go to your high school reunion?
Take the Seven Deadly Sins survey: freakonomics.com/nsq-sins/