Same-sex marriage refers to the institutionalized recognition of such relationships in the form of a marriage; civil unions may exist in countries where same-sex marriage does not.
The term same-sex relationship is not strictly related to the sexual orientation of the participants.
Showtime's Queer as Folk, running from 2000 to 2005, was noted for its somewhat frank depiction of gay life, as well as its vivid sex scenes, containing the first simulated explicit sex scene between two men shown on American television.
Playwrights have penned such popular homoerotic works as Tennessee Williams's Cat on a Hot Tin Roof and Tony Kushner's Angels in America.
One partner is cisgender, while the other is androgynous or transgender, and thus the couple superficially bears some resemblance to a heterosexual(heteronormative) couple.