And secondly, I mean obviously parents are more worried if they feel that their child is not doing as well as somebody else's child, and we're back to this question of expectation again — where did they get the expectation that this other child is, as it were, some sort of norm that they ought to be living up to , and parents should talk to teachers and to other people who know their child and have got experience of their child as against other children to find out really whether their worries are truly grounded, or whether they are just groundless.