 Why have Venus men struggled to keep their women interested in them?
Ever since Venus blast-off O'Rielly had been in Four's watch room. Except on the Venus layover when he'd been roped into a dice game with a bunch of Venus lads who had a jug to cheer one's parting with one's money. "Venus dames," O'Rielly said dreamily, "don't boss anything, do they?" Earth dames wound up by flying the Venus ones back where they come from and serving notice if one ever set foot on Earth again there wouldn't be enough left of Venus to find with an electron microscope. "No Venus dames allowed within fifty miles of their port. Any dame caught trying to leave Venus thrown to the tigers for supper.
 They have been too pre-occupied with war, haven't realized the truth.
 Their culture has men in power, and thus they don't consider women their equals.  Earth men are too enticing to Venus women. They can't compete.  They have been too pre-occupied with war, haven't realized the truth.  Venus females don't interest them enough.