My four year old has been a regular nose picker and eater, we continually tell him not to do this, he's eating bugs/germs, it's gross, it'll make him sick etc but he almost does it subconsciously now. It's a lot worse when he is sick or has a runny nose. We've told him to get a tissue and blow his nose which he will do but most of the time he just picks and eats without thinking! Any advice to get this to stop? He's about to start school and I'm worried he will be made fun of if he is doing this