- Life instincts (Eros) : Life instincts is defined as instincts that have as their goal the sustaining of life; the drive for ensuring survival of the individual and the species by satisfying the needs for food, water, air, and sex. Life instincts or Eros, moreover are the innate drives that are responsible for all of the positive or constructive aspects of behavior.
Lexicon of Psychology - Terms, Treatments, Biographies,