Could a little adversity be a good thing for the Celtics?

Nobody enjoys losing, especially not the defending NBA champions. Boston is firmly in the middle of a rough stretch — highlighted by losses in 3 out of 4 — but it’s possible this might be a good thing.

The regular season is a long road that brings you back to the playoffs, or to a spot in the NBA Draft Lottery. After winning a title, it’s understandable that the team’s energy levels aren’t at a constant 10 for all 82 games. When you’ve accomplished the greatest achievement the NBA has to offer, finding the extra gear for December basketball may not come as easily.

Call it boredom, or a lack of engagement. Either way, Boston could use a kick-start. There’s some irony to it, but these recent…