I love that! It was on one of the many blogs I follow. Mark Bittman, who is quoted, writes a column for the NY Times. He was being interview on his new semi-vegetarian life style and whether or not it is difficult for him to stick with it."There's a difference between deprivation and discipline. Discipline means being aware of our needs, and being able to identify true needs verses things that we're simply craving at the moment."