Bisexuality is romantic attraction,sexual attraction, or sexual behavior toward both males and females.A bisexual identity does not necessarily equate to equal sexual attraction to both sexes; commonly,people who have a distinct but not exclusive sexual preference for one sex over the other also identify themselves as bisexual. Bisexuality has been observed in various societies and elsewhere in the animal kingdom throughout recorded history. The term bisexuality, however, like the term hetero-and homosexuality was coined in the 19th century.
History
Ancient Greek religious texts, reflecting cultural practices,incorporated bisexual themes. The subtexts varied from the mystical to the didactic. Spartans thought that love and erotic