In "Twenty Years After," M. d'Artagnan captures the attention of his landlady, who admires his striking appearance and formidable mustache. Her feelings for him are deep, leading her to feel despair over his potential absence from her life. She finds herself willing to make significant changes, even marriage, if it meant keeping him close.

This affection highlights the emotional turmoil experienced by the landlady, showcasing how d'Artagnan's charm not only affects those around him but also complicates their lives. Her desire to be with him reflects the strong connections and romantic tensions present throughout the narrative.