The baby did not eat enough to not cry is normal, because the baby to determine the “full” standard is different, so the baby did not eat enough, but the hunger disappears, so do not cry.
When the baby is not full, but no hunger, there may be more quiet, these are normal behavior, this time you can add milk powder or supplemental food to increase the amount of food, to ensure that the child’s healthy growth.
Generally babies eat enough to show that they are quiet and sleep, or play, urinate a lot, and urine is clear, stool is normal, the baby’s growth and development is good, the mental state is good.
Relatively speaking, if the baby did not eat enough, or not enough milk, the baby does not have a sense of fullness will appear irritable, crying, sleep is not solid, urine and feces is small, etc., long-term so the baby will not gain weight or even lose weight, affecting growth and development.