My daughter 5months old. She is drinking formula milk(Nan pro1). She is not having milk properly, from few days she is having milk for 5hrs once that is also not showing interest sometimes to drink. If i give milk atleast for 3hrs, she is not having, if i try to give forcefully she is crying. Other than that i feel everything is fine she is active and playing. Please suggest what to do ia m worrying why she is not having milk properly