Quiet, friendly, responsible, and conscientious. Work devotedly to meet their obligations and serve their friends and school. Thorough, painstaking, accurate. May need time to master technical subjects, as their interests are usually not technical. Patient with detail and routine. Loyal, considerate, concerned with how other people feel.
Retiring, quietly friendly, sensitive, kind, and modest about their abilities, Shun disagreements, do not force their opinions or values on others. Usually do not care to lead but are often loyal followers. Often relaxed about getting things done, because they enjoy the present moment and do not want to spoil it by undue haste or exertion.
I've taken this two different times, first P(perception) then J(judging). They're very similar definitions...
Am I quiet and friendly or quietly friendly?