How did you know it was time? When we changed from 1 to 2 it was easy- he was falling asleep and getting frustrated with the stage 1 nipples. Lately he has been super distracted, fidgety during eating. Not sure if it's just b/c he's getting more mobile, or if I need to get a faster flow nipple for him?
Re: Changing from stage 2 to 3 nipples?