my one and a half month old baby is suffering from runing nose..he feels difficult to breathe so i have to get the water out fom his nose

The most imp thing is when i gave him express milk via bottle. he split out the milk from his nose after the feed.. I went to doc , he said its normal.. but its making me worrying everytime.. I always think wat will happen if i am sleeoing and he will split it from his nose... Is some1 having the experience

pls pls help me out.. it will kill ma mind