HERMIA: His folly, Helena, is no fault of mine.
HELENA: None but your beauty. Would that fault were mine!

– William Shakespeare

A Midsummer Night’s Dream, Act 1, Scene 1. Hermia tells Helena that Demetrius’ folly in loving her is not her fault. But a jealous Helena wishes that she had her friend’s beauty so that Demetrius would love her. She is feeling bad about herself because Demetrius prefers Hermia.