How many big performers know when to leave the stage? At the right time, in the right way, before their magic dissipates? In sport, politics, in life.
The answer is always: "Very few."
Luis "Lucho" Enrique did it once, as a player, and has done it again as a coach. This was the right time and staying any longer would have been damaging.
To Barcelona, with regard to trophy pretensions, forward planning in player and coaching terms, and to Luis Enrique himself.
When he was a crossover player, one of the few who choose to move from Real Madrid to Barcelona, rather than the other way around, he drove the Camp Nou fans delirious with his attitude.