Parallel Worlds

Men hate women and women hate men. We might therefore imagine a perfect situation in which we are safely segregated from each other, with an unqualified sharing of resources and overall power. There is Men’s World and there is Women’s World. We are of equal status; we are at peace; and nothing is threatened by our having to deal with each other on a day to day basis. We would have carefully regulated centers of reproduction of course, where we would discretely perpetuate our species in test tubes. What do you think? What would you suggest as the penalty for those who would inevitably get caught sneaking across the borders and coupling under the cover of night? Death? Exile? Marriage?