Hii.. my son is 5 months 22 days old .. he s on FM from 4 month .. similac iq+ .. he s drinking 3 Oz and 5 times in a day .. is this enough ?? For the past one week he s playing like spiting the milk like driving a car .. nothing is going inside .. I'm struggling soo much to give him .. he has become very lean ..He s giving too much sound n putiing his 10 fingers into mouth.. I'm much worried .. help me guys wat shud I do ..