Formula-fed Babies Are More Content
Here's a great advantage you can point out to make the "breast is best" zealots jealous: researchers at the Medical Research Council Epidemiology Unit in Cambridge discovered that formula-fed babies cried less, smiled and laughed more, and were easier to calm than breastfeeding babies. The ostensible reason? Breastfeeding is difficult for newborns, and some may not feel up to the endeavour and will fuss. Formula feeders have an easier difficulty filling their stomachs, so it's no surprise they're happier!