Best way to learn any art is to connect your every action for learning art with the real life. Connecting knowledge sharing and teaching with Learning increases learning by the amount no one can even imagine.
The challenges, the questions you face while teaching someone , stimulates one’s thinking and he or she start thinking in terms of finding and providing solutions.
Life is all about solutions. Growth of a person is directly proportional to his / her ability to provide solutions to the faced challenges.
Infact every challenge or problem is an opportunity to grow.
So don’t afraid of sharing knowledge because if you share knowledge someone might ask questions, and it will provide a opportunity to you to provide a solution.