how can you prevent the runny nose, hay fever

A simple but effective method developed by me to eliminate runny nose and hay fever. I also had a very runny nose many times, I got tired of the many good advices that were only effective for a short time.
Do what I describe in the book.
After you have understood this very simple technology and experienced for yourself that it is effective and that your nose no longer runs, then you will know the situation, what is happening, and what you can do to protect it at the slinghest clearing of the throat, croaking, sneezing yourself.