Go here, take the free and accurate test. Try to answer the questions objectively, stick to the fact, without trying to answer in ways you think will make you look good (a temptation for all of us). this is just for you, to get to know you better:
http://www.keirsey.com/sorter/register.aspx
Once you have your 4-letter temperament type (like, for example, "ENTP"), go here: http://en.wikipedia.org/wiki/Myers-briggs
AND scroll WAY down to: "Type dynamics and development," look to the right and find your 4-letter designator. Click on it and readup.