• If there are no sex differences, then why do people want to change their sex and become sterile?
• If there are no sex differences, then why do transgenders want to be identified as one sex and not another?
• If there are no sex differences, then why do lesbians not want men who claim they are women?
• If there are no sex differences, then why do gay men not want women who claim they are men?
• If there are no sex differences, then why do lesbians and gay men not want transgenders for sex partners but only the real thing by birth?