James Ivory comes close to the actors for the first rehearsal. He more or less lets you direct yourself and then will only correct you if he finds it incorrect.
Like a plant that starts up in showers and sunshine and does not know which has best helped it to grow, it is difficult to say whether the hard things or the pleasant things did me the most good.
All I can do is assess the value from Manchester United perspective. Whatever Chelsea do, they may have a different criteria, and different financial assets.