Hi doctor, my grandson is 2years and 9 months. He doesn t pay attention when you calling his name. he is not talking yet, but he know ABC s he knows count until 30. when you asking questions he is not answering. He is not eating good, drinking water from the bottle. when you asking to show his mouth our nose he is not doing. he is not hyper he is ok. playing all day with the cars, letters, books.