#asktheexpert Hello Sir, I have a query about my 10 months old baby boy and I hope you can clarify it for me. My boy has started hitting his head with his hand and sometimes even slaps himself in the face. Is it normal? Otherwise he is active. Couple of weeks back when he got his 9th month vaccine, he didn't even cry a bit. Although I am happy, him hitting himself and sometimes our family members is making us concerned