I started my new healthy eating thing today basically cutting out the crap and eating more fruit while calorie counting using MFP too. And by the end of the day I was headachey and shakey so I had to have something else to eat and I feel better now. Is it probably just because I didn't count my calories correctly and ate too little? Or is something more sinister like a sugar addiction? I desperately want to lose weight but I can't be feeling like that when I'm in sole charge of dd. Can anyone advise please?