### Human: Write a social media photo caption based on this photo description: a baby is sitting on a blanket . a baby is sitting on a blanket and smiling . a baby is sitting on a blanket . a baby is sitting on a blanket . a baby is sitting on a chair with a blanket . a baby is eating a piece of cake  ### Assistant: Isaiah is such a happy baby. He has one tooth coming in and just started crawling! Why is time moving so fast? #Grandson #Family