I have had from one extreme to the other. DD was just like your DD2 and just was hungry- she's still always hungry, but now she's only allowed to eat and understands why at brekkie, morning tea, lunch etc....DS on the other can get by on oh a rice cake and a tub of yoghurt ....I know which one was easier....

I used to worry DD was eating out of habit/boredom and as we both have morbid obesity seemingly running in our families I was paranoid but if you could see my DD grow at her rate of knots and how active she is...well I know where all her food is going. Totally agree with beckoes.