Self-Sacrifice and Duty

Ida repeatedly sacrifices her own happiness for her sister Juliet and for family obligations, including marrying a less desirable suitor and later devoting two years to nursing her husband's mother.

Ida's marriage to Sefton is interpreted as an act of self-sacrifice to secure Juliet's happiness, highlighting the theme of duty over personal desire.

Ida's marriage is a sacrifice for Juliet's happiness, but she now faces the crushing weight of that duty.

Clive resolves to stand by Sefton despite his personal feelings, and Ida reflects on duty as the only thing of eternal value.

Sefton's decision to face death alone, protecting Clive and ensuring Ida's safety, exemplifies self-sacrifice.