Introversion is a state of a mind.
Introversion is freedom from expectations.
Introversion is taking chances and deeply thinking about life.
Introversion is respecting people's boundaries and being overly polite.
Introversion is getting close to people in short amount of time by being real with them.
Introversion is making people comfortable in your presence by valuing their thoughts.
Introversion is not a phase just because the movies want you to believe something is wrong with you doesn't mean there actually is.