It's one of the most liberating things I experience in writing - letting yourself get rid of a gesture or character or plot point that always nagged, even if you couldn't admit to yourself that it did.
“The great end of education is to discipline rather than to furnish the mind; to train it to the use of its own powers, rather than fill it with the accumulation of others.”
“I need protein from food rather than just protein supplements. I changed my diet.”