Brain power improves by brain use just as our bodily strength grows with exercise. And there is no doubt that a large proportion of the female population from school days to late middle age now have very complicated lives indeed.
Life is suffering. Life is not resistance to suffering. The point of life is to suffer. This is why we're here: We're here to suffer. I believe in a higher power that compassionately allows suffering for us as a race to grow and mature.