'Stress' was the catch-all every pamper-pedlar I spoke to used to explain why healthy women feel the need to be regularly patted petted and preened into a state of babyish beatification.
I told my father to stop smoking around the age of two or three years old and he stopped smoking. So the relationship between the kid and the parent is very powerful and if you give the kid the right information it can be very useful to the family.
