'Hetero' means 'of the opposite'. Therefore, Hetero-sexual means 'attracted to someone of the opposite sex'. Heterosexuality is shared between a male and female and vise-versa. This is also reffered to as 'straight'.
Korben always knew that he was heterosexual; he discovered this on his first day of Kindergarten when he 'fell in love' with the most beautiful girl in his grade: Jessica.
Jessica always knew that she was heterosexual; she discovered this on her first day of Kindergarten when she 'fell in love' with the most handsome boy in her grade: Korben.
A heterosexual person is attracted to people of the opposite sex. Boys who like girls and women who like men are heterosexual. ... When you think of a married couple or parents, it's usually been a man and woman — in other words, a heterosexual couple. However, being heterosexual is only one sexual orientation.