Steel sorry you're feeling rubbish. I think that emotional stuff and upset can manifest in some odd ways, and food and eating is so inextricably linked with comfort in our minds that I'm not surprised we get odd cravings. I've been very anxious too lately. Maybe it's not having our usual salves/props to deal with/supress our feelings, plus hormone release from the fat loss.
Notso and Trashy I make non-wheat livercake for crazy cocker every few months and take a handful from the freezer every walk. Some days I'm like the canine pied piper with a crowd of keen-nosed dogs around me. 
Labradors, particularly, regularly try to stick their noses in my pocket/bag because they can smell the livercake (not that it smells strong to me at all). The other day I had an enormous Leonburger who decided that I was her new best friend and that she'd be the world's best trained dog with the biggest pleading eyes for me. Poor little scaredy-dog Trashy. Luckily cowardly crazy cocker bolts to us when she's scared which is often.
NotTwit 10 cm off your waist is brilliant!!
Thumb 
for breaking the 12 stone mark. And yes, as evidenced by my post yesterday, am definitely having mood difficulties at the moment!
I'm including myself in that, obviously. 
Trashy I used to be a regular dope smoker in my twenties and can't have it in the house otherwise I know I still would. It would just be calling to me! 
I'm limited to the very rare occasions when a friend comes over who smokes and wouldn't even know where to buy it any more. It certainly wouldn't do any good for sticking to a sensible way of eating either! Did lots of other 'recreational' stuff too but that all seems rather inappropriate and risky since having DD. I too would love to channel my addictive tendencies towards organisation and cleanliness, but it never seems to manifest in quite that way, unfortunately.
Snowie I read what you wrote and thought 'oh my dad's drinking wasn't chaotic' - he was quite controlled about it to an extent (unlike my uncle). But the unpredictability of the drunken rages and rows, the normalising of that behaviour, the worrying about his health in later years - all that was chaotic in its way I guess.
Durham that must have been a shock to catch yourself having that thought, but the important thing is that you did catch it, and you dismissed it.
NotTwit there are herbs that you can take whilst breastfeeding which are diuretic, but be careful that you don't end up dehydrated - you may need to adjust your water intake upwards a bit. Fennel seeds (Foeniculum vulgare) are good for milk production, calming to the digestion of you and the baby (some compounds will pass through the milk), is traditionally used for breastfeeding mothers and is a diuretic so should help with water retention. If you want more info, let me know.
Sarah the dangers of mumsnet! I spend too much time on this thread (and haven't even started the dinner yet.