Until the 1980’s, every measuring tool for personalities and temperament focused on four temperaments. Terminology for these varied:
Phlegmatic, Sanguine, Melancholy & Choleric were the terms originally used by Hippocrates in 500BC
There also are: DISC, Animal names, Myers-Briggs categories, etc.
In 1984 the National Christian Counseling Association identified a fifth temperament. After several years of research this temperament type was named the Supine and introduced to the scholastic community. The Supine sees everyone else as valuable and themselves as nearly worthless. Supines picture themselves as the individuals who were placed on this earth to serve others. They are the “Marthas” who work diligently in the kitchen to serve those whom they admire so much. The behavior of the Supine is so unique and different from that of a Sanguine or a Phlegmatic and all the other temperaments that it demanded a type classification of its own.
We will get to what the facial expressions mean.