How does Albert Savarus develop the theme of Love and Obsession?

Albert Savarus by Honoré de Balzac develops Love and Obsession across the chapters the companion marks for this theme.

Romantic love is portrayed as a powerful, often destructive force, driving characters to extreme devotion, secrecy, and manipulation, as seen in the intense attachments and rivalries that shape the plot.

Rosalie's romantic daring and evil thoughts, fanned by her desire to triumph over a rival, show an obsessive passion that drives her schemes.