It iswith our brothers and sisters that we learn to love, share, negotiate, startand end fights, hurt others, and save face. The basis of healthy (orunhealthy) connections in adulthood is cast during childhood.
It is said that power corrupts, but actually it's moretrue that power attracts the corruptible. The sane are usually attracted byother things than power.
Themore adaptability exists for a given kind of decision, the less risky it isto make plans for the future, and therefore the more likely it is that morepeople will make more plans in such areas.