Hi ladies, this question may be stupid but let me give u a little background. I had my little guy on 6/10, he weighed 6# 5oz on 6/12 he was 5#15 oz. on 6/19 he was 7#5 oz. on 7/15 he was 10# 4 oz and today he was 12#2oz! Is he gaining to fast? Am I over feeding him??