This is the answer! The answer is not in getting and keeping, but in getting and giving. The answer is not in saving and preserving, but in growing a… - Theodore Sturgeon

Science fiction, outside of poetry, is the only literary field which has no limits, no parameters whatsoever. You can go not only into the future, but into that wonderful place called "other", which is simply another universe, another planet, another species.

So it is easily seen that the sexual insignes are nothing in themselves, for any of them, in another time and place, might belong to both sexes, the other sex, or neither. In other words, a skirt does not make the social entity, woman. It takes a skirt plus a social attitude to do it.
But all through history, in virtually every culture and country, there has indeed been a “woman’s province” and a “man’s province,” and in most cases the differences between them have been exploited to fantastic, sometimes sickening extremes.
Why?

Reality isn’t the most pleasant of atmospheres, Lieutenant. But we like to think we’re engineered for it. It’s a pretty fine piece of engineering, the kind an engineer can respect. Drag in an obsession and reality can’t tolerate it. Something has to give; if reality goes, your fine piece of engineering is left with nothing to operate on. So it operates badly. So kick the obsession out; start functioning the way you were designed to function.