I think sex is a tightly related primal drive, but no, I think literally children is something similar, mostly for slightly older people, mostly women, but with

I think sex is a tightly related primal drive, but no, I think literally children is something similar, mostly for slightly older people, mostly women, but with plenty of young people and men feeling it too. I know a lot of people like this, it seems to come in a wave at a certain life stage.