HI, MY BABIES ARE TWIN ALSO. MY ELDER ONE ALSO DON'T LIKE TO EAT MUCH AND MY YOUNGER ONE LOVE TO EAT SO MUCH. I THINK WE CAN DO ANYTHING TO PUSH THEM. NO NEED TO WORRY TOO MUCH.... EVERY BABIES ARE DIFFERENT. HEALTHY IS O.K. MAYBE YOU CAN PUT SOME MEAT IN THE CONGEE , I THINK IT TASTE MUCH BETTER, WE USE PORK AND CHICKEN WITH SOME VEGETABLES TO BOIL CONGEE.