Nursing babies are a beautiful sight in many cultures. Many mothers fall in love with their children as they watch them suckle and drift contentedly off to sleep. Nursing babies are happiest while in their mother's arms. While few would argue that nursing babies are adorable, what's to be done with a toddler who stomps their foot in defiance and demands to be nursed right now? How old is too old to be breast fed?Choosing to breastfeed your baby may have been a simple decision but determining when to wean a child can be difficult.