Twenty-five years ago this week, the TV show Seinfeld went off the air after 180 episodes. It was the rare show that was popular with both audiences and critics; in 2013, the Writers Guild of America voted it the No. 2 Best-Written TV Series of All Time, behind only The Sopranos. The one-line description of the show was the innovative “A Show About Nothing.” But that isn’t accurate. It was actually a show about everything–everything that happens in the daily life of almost everyone. And that was its genius. The primary cast involves four friends, all single and 30ish (and…