Countermeasure

Adversity

Purpose

Countermeasure neurotransmitter

Regulator neurotransmitter

Personality disorder

Comforter

hardship

maintain durability

endorphins

dopamine antagonist

odd-eccentric cluster

Hyperactivity

danger

maintain existence

adrenaline

serotonin agonist

dramatic-impulsive cluster

Phobia

unfamiliarity-uncertainty

maintain adaptability

adrenaline-glutamate

serotonin-GABA agonist

fearful-anxious cluster