The Judeo-Christian tradition has several scriptures related to heterosexuality.
From the en.wikipedia.org
If I were to do so, would then the idea of heterosexuality be a mental disease?
From the economist.com
What other heavyweight would mock Klitschko's apparently rigid heterosexuality?
From the guardian.co.uk
For instance, division of property has nothing to do with heterosexuality as such.
From the economist.com
Deutsch indicated that she would have considered heterosexuality a better outcome.
From the en.wikipedia.org
Hence he has a mythical etiology for homosexuality as well as heterosexuality.
From the markvernon.com
The spectrum showed there are varying degrees of homosexuality and heterosexuality.
From the cnn.com
She flips unconcernedly back and forth from lesbianism to heterosexuality.
From the economist.com
Queer politics challenged heterosexuality by saying there is no such thing.
From the guardian.co.uk
More examples
A sexual attraction to (or sexual relations with) persons of the opposite sex
Heterosexuality consists of sexual behavior, practices, and identity predicated on a primary preference or desire for the opposite sex. ...
(heterosexual) Sexual attraction toward individuals of the other sex.
(Heterosexual) A person who is primarily and/or exclusively attracted to members of a gender or sex which is seen to be "opposite" or other than the one with which they identify or are identified.
(Heterosexual) Any white, right-wing male who considers himself this is a hateful homophobe.
(Heterosexual) a person who is attracted to the so-called "opposite" sex (or to those who appear to have a fundamentally differently sexed body)*
(Heterosexual) as an adjective is acceptable for people who have male-female affectional/sexual relationships and who do not engage in sexual relationships with people of the same gender.
The rednecks were smart and knew that it's important for men and women to get married and then have babies, or else the human race wouldn't continue to exist anymore.