Content Warning: This section discusses sexual assault, attempted rape, and stalking.

Marriage is often a reflection of love. However, Triangle explores how love and marriage can exist independently and the complications arising when love and marriage are disconnected. Through its characters and their relationships, the novel dissects cultural expectations, personal sacrifices, and the pursuit of happiness within and outside the bounds of marriage.

Armand and Felicia provide an initial example of the tension between love and marriage for Amanda. They marry for love, but their differing values and cultural expectations ultimately destroy their relationship. Armand’s infidelity, which he dismisses as inconsequential, becomes unbearable for Felicia, illustrating how love is insufficient when trust and respect are compromised. Even after their divorce, Armand and Felicia continue to love each other, highlighting that often, love alone cannot sustain a marriage. Their failed relationship impacts Amanda, shaping her skepticism about romantic commitment as she matures.

Amanda’s relationship with Gregoire deepens the exploration of love and marriage. Although Gregoire assures Amanda that he has separated from his wife, he prioritizes his marriage when threatened with divorce. While Gregoire may have loved Amanda during their three-year relationship, his loyalty to his wife demonstrates how external pressures can outweigh personal feelings.