Alpha (hobbits) = +Si = positive feelings of comfort. They cannot effectively realize their potential if their lifestyle is full of hardships. Style of activity is characterized by relaxation, freedom, by conveniences. Relations with the external environment, where their activities unfold, must be friendly and pleasant. Their groups are always comfortable, relaxed as if at home, and never rough or eccentric.
Delta (elves) = -Si = minmization of discomfort. They value good working conditions and are reluctant to change their routines. This element excludes harmful influences from external environment. This quadra cannot work during emergencies. They highly value convenience, comfort at their workplace, and good coordination at work.