It takes courage to let down your armor, to welcome people to see you as you are. Sometimes I feel the same as you: I can’t risk having people behold me as I truly am. But there’s also a small voice in the back of my mind, a voice that tells me, ‘You will miss so much by being so guarded.
-- Iris (Chapter 9)

Importance: Iris writes this to Roman when he tells her he feels burdened by the metaphorical armor he constantly wears. Iris’ advice evokes the theme of vulnerability, which is integral to her development as a character. Iris struggles to take her own advice and often remains “guarded” despite her better judgement (48). Through gradual confessions, Iris and Roman build closeness between them, leaving them happier.

I don't think you realize how strong you are, because sometimes strength isn't swords and steel and fire, as we are so often made...
-- Roman (Chapter 23)