By any chance have you formerly suffered through a common cold virus? Perchance did you recover from the infection? Obviously you recovered! You can't cure a cold directly, but your immune system typically develops immunity to a certain cold virus within a couple of weeks. That is called cured by your personal immune system!Parents have actually in the past had a great deal of the rhinitis viruses. Adults have actually acquired resistance to the ones they have actually suffered from. So there are not numerous runny nose viruses remaining for parents to acquire. That is why parents just get a couple of runny noses annually and kids get 10-12 colds per year.