I learned more about my grandsons while on day one of our "Will babysit for food" job. Aiden is as finicky about his bottle as James Bond is about his martinis. Aiden also is a slow inhaler who savers every ounce of his milk. Reid is a "Give me whatever you got" type of imbiber who chugs the minute it is in his mouth. See, twins are different in some ways.