Thread:CureHydra/@comment-25114194-20140817224001/@comment-5103036-20140818200137

Haha! xD Well, that's a theory used for personality profiling or something like that. The four temperaments are:
 * Sanguine (blood): Extraverted and stable. Common characteristics: full of life, bright, positive and optimistic.
 * Choleric (yellow bile): Extraverted and unstable. Common characteristics: impatient, ambitious, short-tempered and easily gets offended.
 * Melancholic (black bile): Introverted and unstable. Common characteristics: pessimistic, depressed, nervous, unconfident and timid.
 * Phlegmatic (phlegm (obviously xP): Introverted and stable. Common characteristics: calm, aloof, confident and sluggish.