Why do newborns hold in their red face, kick around, and vomit milk? Newborns cry and hold their breath for a long time and frequently, causing inhalation of too much air in a short period of time, which can lead to bloating and poor appetite. Gas and poor appetite are among the main causes of spitting up, kicking, and blushing behavior in newborns. In addition, newborns will also have the following behaviors that affect the stability of their appetite and intestinal tract, including holding their breath, blushing, kicking, and vomiting.