Hi, my baby is 2 month 23 days old. His birth wt. Was 2.6 kg and currently he is 5 kgs. I have following queries 1. My kid has recently started eating his hand and sucking his thumb. Is it normal? Shall I stop him from doing so? 2.he is normally breast fed. But sometimes I need to go out. What formula can I give him and in how much quantity? 3. He feeds after 3 or 4 hours is it normal? Sometimes he sleeps for 6 hours at night. Alsohe does not burps during night feedings? Is it fine?