I always did my best to eat well, but we consumed A LOT of packaged/convenience foods prior to 2009. The turning point came for me when my little toeheaded baby was diagnosed with "milk protein induced Colitis" when he was 14 weeks old. Basically it's a fancy medical way of saying he would poop blood if I ate dairy.
Within about 5 days of cutting dairy out of my diet, my infant changed from a GERDy devil baby who constantly cried and made me realize why there are posters in labor rooms reminding you not to shake your baby, to a happy and funny little ducky.
Before I cut out dairy: