Expert tutors often do not help very much. They hang back letting the student manage as much as possible. And when things go awry, rather than help directly they raise questions: 'Could you explain this step again? How did you... ?

Studies of older Americans find that one of the best predictors of happiness is whether a person considers his or her life to have a purpose. Without a clearly defined purpose, seven in ten individuals feel unsettled about their lives with a purpose, almost seven in ten feel satisfied!