Love triangle

"[10] The 1994 book Beliefs, Reasoning, and Decision Making states, "Although the romantic love triangle is formally identical to the friendship triad, as many have noted their actual implications are quite different ...

Though rare, love triangles have been known to lead to murder or suicide committed by the actual or perceived rejected lover.

[13] In such instances, "you find men who are attracted only by a married woman but who can't sustain the relationship if it threatens to become more than an affair.

"[18] It has been suggested that if men "share a sense of brotherhood and they allow a woman into their relationship, an isosceles triangle is created" automatically, as "in Truffaut's film Jules et Jim".

Ménage à trois is French and directly translates to "household for three" meaning it is usually composed of a "married couple and a lover ... who live together while sharing sexual relations".

Three of the highest grossing movies of all time adjusted for inflation (Gone with the Wind, Titanic and Doctor Zhivago) are romantic epics that feature a love triangle at its core.

Although more subtle, Dumas's classics The Count of Monte Cristo and The Three Musketeers also feature love triangles strong enough to seek revenge and start a war.

Bengali writer Bankim Chandra Chattopadhyay's 1865 novel Durgeshnandini also follows a love triangle between Jagat Singh (a Mughal General), Tilottama (the daughter of a Bengali feudal lord), and Ayesha (the daughter of a rebel Pathan leader against whom Jagat Singh was fighting).

Warned of a love triangle by one of his prospective partners, Albert Einstein conceded to her that "You have more respect for the difficulties of triangular geometry than I, old mathematicus, have.