Mommy's Little Helpers

Colby and Dylan have been so excited for Blake to begin eating food.  They have been asking for months when he will be able to have more than just milk.  Now that we have started him on cereal and bananas his big brothers, AKA Mommy's Little Helpers, want to feed him.  Its been nice to have the extra hands when I am trying to make lunch, clean the kitchen, help Abby, etc... Now the question is 'how long will the help last"?