A lack of courage makes you blind to love.
Pansy, who lacks the courage to face herself, is blind to the love that is actually surrounding her. She has never torn down her own prison, so she only feels fear, terror, contempt, and jealousy. As a result, she judges everyone around her.
Curtley, who quietly goes along with Pansy, also lacks courage in some sense—he can't face her properly. It would be incredibly difficult to deal with her, and that’s…