According to the Myers-Briggs personality type, I'm an INFP. I did get an ENFP once, tho.
What's yours? You can take a test here; http://www.humanmetrics.com/cgi-win/jtypes2.asp. Keep in mind that this online test isn't the best way to determine yours.
You have moderate preference of Introversion over Extraversion (56%)
You have moderate preference of Sensing over Intuition (25%)
You have slight preference of Thinking over Feeling (12%)
You have moderate preference of Judging over Perceiving (44%)
ISTJ
Introvert(44%) Sensing(38%) Thinking(25%) Judging(28%)
You have moderate preference of Introversion over Extraversion (44%)
You have moderate preference of Sensing over Intuition (38%)
You have moderate preference of Thinking over Feeling (25%)
You have moderate preference of Judging over Perceiving (28%)
• You have moderate preference of Introversion over Extraversion (33%)
• You have slight preference of Intuition over Sensing (12%)
• You have slight preference of Feeling over Thinking (12%)
• You have moderate preference of Perceiving over Judging (56%)