Babies usually cry less as they grow older and they find other ways to calm themselves, like sucking on pacifiers or fingers or playing with their hands. While crying is normal, some babies seem to cry for no reason. They are not easily calmed, and they cry for long periods of time. These babies are often referred to as having colic. Gases passing through the baby's stomach cause pain.
Painful cramps occur because of changes in hormones after birth.
The baby is too stimulated by the outside world. The baby cries to release tension. The baby cannot stop unwanted behaviors, such as crying, because don't yet know ways of the baby. There is no cure for colic, but there are some things you can do to comfort a fussy baby. Feed just the right amount-not too much, not too little.