A dynasty is a family or group that maintains power for several generations, but in the NFL, generations pass by in the blink of an eye.
Make one Super Bowl and football fans will always remember you. Make multiple Super Bowl visits in a condensed period, and fans will debate your relative greatness forever. And beginning with Green Bay's back-to-back wins in the first two games, the Super Bowl has regularly served as a proving ground for some budding dynasty.
So do the Patriots belong in the conversation? Where does Bill Belichick rank with the other dynastic coaches? And will dynasties live forever in the NFL?