What's wrong with the Nuggets?

The Denver Nuggets entered the playoffs as the hottest team in the Western Conference, having gone 24-4 after the All-Star break to surge into the third spot in the West. But now, the Nuggets find themselves on the verge of losing their fourth game in five tries to the Golden State Warriors, which would be their ninth first-round exit of the past decade and second loss to a lower-seeded team in the past four years. As Denver tries to extend its season by winning Game 5 tonight at home, let's look at three theories for why the Nuggets seem to struggle annually in the playoffs and apply them to this season's results.