Gender Values In Orbit

If men are from Mars
and women are from Venus,
where surely the shopping is wonderful,
then what planet, or stoney sattelite,
do gay men, lesbians, and those nearer
being a third sex than they are at ease with come from?
Wherever it is, between Venus and Mars,
they have to work quite hard
at being a force in their own right,
to resist the magnetic pull from one direction,
and the push of a sterile vacuum from the other,
to be stable and secure members of society.