Isolation and Loneliness

Cosmo experiences profound loneliness despite being surrounded by people, and other characters like Adèle and Count Helion are isolated by their social positions, secrets, or emotional burdens, highlighting the inner solitude of the human condition.

The Countess feels isolated in her sacrifice and trapped in a marriage without emotional connection.

Madame de Montevesso expresses having had very little sympathy in her life, feeling that something in her does not appeal to the people with whom she lives.

Cosmo's melancholia and the doctor's reflections on the loneliness of power suggest themes of isolation.

Cosmo feels a profound sense of desolation and seeks to escape his thoughts through noise and travel, highlighting his internal isolation.