Desire is the emotion of longing or hoping for a person, object, or outcome. Desire arises from bodily structures and functions, unlike emotions. Desire activates brain areas related to reward and motivation
Instincts are innate behaviors that are not learned. Instinctive behavior is a simple stimulus-response mechanism. Many instincts help protect from danger
Epicurus and Bentham emphasized pleasure's role in human life. Freud's predecessor was Gustav Fechner's psychophysics
Instinct is an innate inclination towards complex behaviors without learning. Fixed action patterns are simple sequences of actions without variation. Instincts exist in most members of species and differ from simple reflexes
Karin was a Kusagakure genin who became a member of the Uzumaki clan. Her mother died healing wounded after transferring too much chakra. She participated in the Chūnin Exams and was saved by Sasuke
Sixth sense is the ability to perceive things not actually present. It combines all other senses into one powerful force. Everyone is born with this ability but many don't understand it. Helps make better decisions and prevents life-threatening situations