They depend on other people, and they're expressed in other people, so the notion of who you are, you often don't know who you are until you see yourself in interaction with people that are close to you, people that are enemies of you, people that are agnostic to you.
Ellas dependen de otras personas, y son expresadas en otras personas, entonces la noción de lo que tú eres, solo te es clara justo en el momento en el que te ves interactuando con otras personas cercanas a ti, personas que sean enemigas tuyas, personas que te vean con reserva.