Final answer:
Cyrano tells De Guiche a story about how he rescued a maiden and won her heart, revealing his bravery and romantic nature.
Step-by-step explanation:
In the play 'Cyrano de Bergerac,' Cyrano tells De Guiche the story of how he rescued a maiden and won her heart. This reveals a great deal about Cyrano's character as he is brave, chivalrous, and selfless. Cyrano's willingness to risk his life for the sake of love shows his romantic nature and his desire to always act with honor and integrity.