Do you think this will just happen again in a few decades when women get too comfortable? The reasons why feminism started (comfortable domestic life requiring little to no effort in the 50s) have not gone, in fact, a domestic partner is less viable than ever before.

I didn't really answer this. My opinion, feel free to shoot me down.

The reasons feminism started had nothing to do with domestic life being comfortable. Let's tease apart the reasons.

• The nature of work changed. Prior to the 20th century women did not want men's jobs, they weren't that stupid. Jobs outside the home were generally heavy manual labour, generally working outside in all weathers, and some of them were downright dangerous. Can you imagine women talking about how oppressed they were not being allowed to be quarrymen, or miners, or sailing square riggers, but instead were forced to stay at home looking after the children and feeding the chickens? They still don't want those jobs. Patriarchy theory as a theory of history is just batshit crazy. According to that, the slaves of Rome were oppressing their owners by doing all the hard work. Feminism was originally about upper middle-class women wanting to do their husband's jobs, because their husbands had safe, dry, indoor jobs like bank managers, solicitors, or teachers. Later, there was an enormous growth in office work, which women were quite happy to do. It is this that made women want to work outside the home.

• I think a lot of women are aware, even if they choose to pretend otherwise, that men build civilizations; women are along for the ride, to provide the next generation of men (conversely, men build civilizations to please women, as without them they see no point, see the Rape of the Sabine Women). This gives rise to Penis Envy, which I now understand better as not envy of a physical organ, but envy of the achievements of men.

• but women still couldn't work much outside the home, because pregnancy and child rearing took up their time, and you can't stop people from fucking. But the development of the pill (and to a lesser extent, the condom earlier) freed them from this. 2nd wave was kicked off principally by The Female Eunuch and Sexual Politics, but these books were published in 1969/70. Most of the change had already happened by then, in the 60s; the pill was developed in the '50s.

• Masculinity itself retreated in on itself, as men doubted their course. This was caused by the shock and horror of the two world wars, and the development of nuclear weapons bringing our entire existence into question. It made us question whether masculinity had gone too far. Without those events, men would still be proud of masculinity, and not so readily kowtowed to the attack on it by feminists and the media.

So, to go back to your question: yes, of course it is a cycle, but not such a short cycle as that. All civilizations come and go, even ones as great as Rome. This one is now declining. Once some of these conditions no longer pertain, women will suddenly realize that they really want masculinity. Take away the pill and feminism disappears practically overnight, as would a serious external threat. As for why we should care whether women support feminism, we don't care about feminists, we care about what feminism gives cover to governments and employers to do. You can't bring in ever more draconian laws restricting the behaviour and prospects of men if you can't have a pretence of 'giving women what they want'.