Thanks for a very informative (and entertaining!) read. Great thread with some wonderful thoughts expressed. Here are mine:
Iodine/thyroid issues - a simple thing like doing plain old iodised table salt has helped me a lot.
Adding a tiny amount of salt to every cup of water I drink has also helped - anything up to a 1/4 tsp sometimes, depending on thirst/heat/sweating levels. I too used to get up multiple times a night to pee. Now it’s once a night.
It took my body almost a year to fat adapt properly and then it STILL wouldn’t budge the excess weight.
Sweeteners are not your friend. In any shape, form or description.
Carbs are not your friends, including fibre. Have you considered just eating beef for awhile? Reason being, you’re talking mega bang for your buck with beef in terms of nutrients and building blocks for your body. Technically, there is no such thing as an essential carbohydrate, only amino acids and fatty acids.
Pretty much just eating ribeye might be the way for you to go… that way you are getting the protein you clearly need - all that baby bearing and feeding has taken a toll on your beautiful body.
Definitely be doing different things every day so your body doesn’t get a chance to predict what’s coming.
When fasting, put nothing but water into your body. Seriously. Anything else will trigger an insulinemic response. Even broth. And lemon is not a good idea either because carbs/sugar. All forms of sweetness are a bad idea because of this. (I well and truly fucked my body up by being strict keto for 3 years AND using stevia.)
Also that MTHFR business is definitely something to look into. Could be causing a host of issues for you. Eating fresh cooked beef (nothing from the deli), could really help you a lot. (Says the woman who was once a vegan!! Talk about dead fairies!) 
Another reason for the beef suggestion: plants, as you know, contain lots of anti nutrients, might more bother than they are worth to eat them for the good stuff they do contain. There is nothing that can’t be gotten out of animals, that can only be found in plants.
And yes, your body is healing and that takes time. Men are lucky bastards and they just don’t seem to have the hormone issues that we have to contend with!
I’m in a rush, so pardon the scattered-ness of my response. (Also, do you get migraines at all?)
Hope something here helps you. What a precious gem you are JackieBlue!