http://www.lgbtmap.org/file/invisible-majority.pdf this paper turns 3 years old this month.
"Only 28% of bisexual people say that all or most of the important people in their life know they are bisexual, compared to 77% of gay men and 71% of lesbians."
yes the biphobia is *THAT* real and pervasive among my peers. if i lived practically anywhere else there's no chance i'd be out, you run such a high chance of pissing absolutely everyone that isn't bi off.