This is why I struggle so much with things like full-time school or 9-5 jobs in factories, etc. I am highly productive, except when my fertility waxes and wanes (then my productivity is low), and I have to be lower-medium-productive straight through, to take part in normal routines.

I tend to fall back into homemaking and branch out from there, with part-time work, volunteering, or self-employment. Then I can produce in fits and starts, and nobody is bothered.

And this way, I managed to have children and actually spend time with them.