According to the Myers Briggs Type Indicator, I am an INFP:

INFP’s are:

• Sensitive, concerned, and caring
• Loyal to people or a cause
• Guided by an inner core of values in decision making
• Focused on contributing to their own and others’ inner development and growth
• Committed to a strong personal belief system
• Likely to enjoy reading, discussing, and reflecting on possibilities for positive change
• Usually seen by others as sensitive, introspective, and complex

Link:
My full report (Adobe PDF)