Lady Brainsample

“Antigay activists have historically maintained that same-sex sexuality is a lifestyle choice that should be discouraged, deemed illegitimate, and even punished by the culture at large. In other words, if lesbian/gay/bisexual people to not have to be gay but are simply choosing a path of decadence and deviance, then the government should have no obligation to protect their civil rights or honor their relationships; to the contrary, the state should actively condemn same-sex sexuality and deny it legal and social recognition in order to discourage others from following that path.
Not surprisingly, advocates for gay/lesbian/bisexual rights see things differently. They counter that sexual orientation is not a matter of choice but an inborn trait that is much beyond an individual's control as skin or eye color. Accordingly, since gay/lesbian/bisexual individuals cannot choose to be heterosexual, it is unethical to discriminate against them and to deny legal recognition to same-sex relationships.
(...)
Perhaps instead of arguing that gay/lesbian/bisexual individuals deserve civil rights because they are powerless to change their behavior, we should affirm the fundamental rights of all people to determine their own emotional and sexual lives.”
― Lisa Diamond, Sexual Fluidity: Understanding Women's Love and Desire