On Wed, 14 May 1997, Anthony Woo wrote:

I think it has something to do with repressed sexuality and homophobia in
most males.  That or most males find that sort of thing unpleasant.  To
quote Rumiko Takahashi (the Goddess of manga) "I don't like to think about
it..."  

  Amusingly, I don't have a problem with the Yaoi stories.  The only thing
which quickly irks me in a story is first person perspective - which is
how most Yaoi stories I've seen are written.  So I usually wind up not
reading them anyway, but not because of the guy/guy aspect.