Now dd has discovered how much fun it is to blow out bubbles when having a bottle, instead of sucking. She does this literally every few swallows. I have had to actually just give up feeding her, even though it's been 4 hours. Sometimes she has been fussing for food at 3 hours, but then I feed her and she's blowing bubbles after 2oz. What is the deal? I have just started her on rice cereal last week, but she takes maybe 1 tsp. a day, that wouldn't be enough to stunt her appetite would it?