ISFJ

I'm a ISFJ personality according to the Myers-Briggs personality test.

Introverted(74%) over extroverted, sending(50%) over intuition, feeling(38%) over thinking and judging(44%) over perceiving.

Take the quiz here.

Oh, and a new word I learned today, ambivert.
Ambivert: a person whose personality has a balance of extrovert and introvert features.