My son is 4.5 months old, and he always keeps his mouth open. When I try to close it, he just opens it wider, almost like he thinks I'm trying to give him something to eat. Is this normal, or should I be concerned about it?
-It sounds like your little one is still learning about his surroundings and his mouth is one of the first areas he explores. It's completely normal for babies at this age to have their mouths open often as they try to understand different sensations, inc