For a parent nothing can be more satisfying than watching their kid grow and cross the threshold of different ages and stages of child development. It is important for good parenting that you, as a parent, understand and be prepared for these stages.
Feeding Skills Timeline- I would add that some of these suggestions are off as far as timing goes. It's recommended to not give babies peanut butter until at least a year old, but always consult your pediatrician. * the psychology of baby feeding!