Back in the 2006 playoffs, the undermanned Phoenix Suns (without big men Amare Stoudemire and Kurt Thomas) shot their way to the Western Conference Finals, only succumbing when Raja Bell went down for the count. But they still had Steve Nash in his prime, so they couldn't be counted out.
The Suns won, then lost, then won again. It was a rollercoaster ride.
Nash said during that run (paraphrase): "After every win, it feels like you can't be beat. And after every loss, it feels like you're never win again.