Sounds like you're going through witdrawal-your body is cleansing itself of the extral sugar. That causes all sorts of problems-temporarily.

Make sure you get enough sleep, even a nap during the day.

Also, because I am an emotional eater, I know when I stop stuffing, I start feeling. There may be some things you will need to deal with later on. Then again, maybe it's just induction. Keep us posted. Tina