Go to www.humanmetrics.com and take the Jung Typology test. It's a quick test that is a classic test used by psychologists and it tells more about you personality in general than "You are Sephiroth" or "I don't smoke; my first kiss was in the 8th grade, et cetra."
Your Type is
INTJ
Introverted -67%
Intuitive -88%
Thinking -50%
Judging -56%
http://keirsey.com/personality/ntij.htmlhttp://typelogic.com/intj.html