My ds is 18 weeks and we started him on rice cereal last week and sweet potatoes todat. He has doubled his birth weight, is teething, went from 3 to 4 hour EASY on his own....eating a lot more and showed a real interest in food. He only gets a teaspoon or so a day, but he has really seemed to enjoy the whole experience. Many books say to start between 4-6 months. I somehow feel that many people on these boards are against it. Am I wrong?