he is quit baby during his development started to say dada at 11 month and started walking at 11
month ,he sit on 8 months and crawl on 7
month, have 4 teeth at 7
month (first have upper incisors)now he have 10 teeths ,he is happy baby during all his journey . now since last 2 month i notice some changes , before he respond well, when i told him to say hi, he move his hand on head (cant say any thing but shows hi, and he do 1 more act if i told him to do so.