OP here: Yes he was breastfed for about 5 months. Due to unfortunate medical problems, we had to switch completely to formula. His brother, however, is currently breastfeeding. At 4 years old, he has lots of questions and I try to answer them all as honestly as I can. I in NOW WAY judge people about formula feeding. As long as the baby is happy and healthy, do what you do, which I've also tried to teach him.