[1]: Yes, I read that article on sexism the other week… call me insensitive, but I think lighten up is a perfectly valid answer in this case.
Stop it! You guys are killing me!
As a bisexual spooning enthusiast and also a developer, I personally don't mind; I think it's totally valid, and potentially pretty funny, to feel apprehensive about that kind of thing. I understand that feeling because that's how I feel about paired programming much of the time ;)
[1] The connection to bigotry comes from the notion that bigotry against gays is motivated by the psychological fear that gays will try to have sex with you; hence someone who seeks to oppress gay people is motivated by homophobia in the more literal sense. No comment on the validity of that notion.