my baby is 5 month baby boy and when he born he took formula milk because that time my Brest milk was very low supply, so I give him breastmilk and formula milk both. but since 2 months my baby slowly slowly stop taking formula milk and now is the day when he is taking formula milk only at night during he is sleeping and when I want to feed my breastmilk that also he started refusing some day he took Brest milk nicely and some day he is doing fussiness and not ready to take breastmilk also even still my Brest supply low milk and he stay without taking milk for 3 sometime 4 hours but then also he is playing laughing with us I'm very worrying about this