 Firstly, she says it is because bisexuality is legally irrelevant to plaintiffs who are presumed to be heterosexual or homosexual unless outed, and secondly, when bisexuality is legally relevant, it is erased within the legal culture because it complicates legal arguments that depend on a gender binary nature of sexuality.American psychologist Beth Firestone writes that since she wrote her first book on bisexuality, in 1996, "bisexuality has gained visibility, although progress is uneven and awareness of bisexuality is still minimal or absent in many of the more remote regions of our country and internationally".Richard C. Friedman, an academic psychiatrist who specializes in the psychodynamics of homosexuality, writes in his essay "Denial in the Development of Homosexual Men" that many gay men have experienced sexual fantasies about women or engaged in sex with women and that many straight men have experienced sexual fantasies about men or engaged in sex with men.