Two weeks is a very long time in the NFL. Heck, it's one eighth of a season. If you're playing well, it flies by. If you're losing, it feels as if it takes forever.
In just two weeks, NFL storylines can turn completely upside down. They can go from "The Vikings are going nowhere with Kirk Cousins" to "Wow, Cousins looks locked in." They can go from "The Cowboys are going to be just fine" to "The Cowboys were frauds." From "The Browns have fixed their offense" to "Baker Mayfield is regressing."
From "The Chiefs might not lose all season" to "What's wrong with the Chiefs?